Row 2 (WS)Sl st into first ch-3 sp, beg cl in same ch-3 sp, ch 3, cl in same ch-3 sp (corner made); ch 1, cl in center ch-2 sp, ch 2, cl in same center ch-2 sp (center spine made); ch 1, (cl, ch 3, cl) in last ch-3 sp (corner made). Turn. (4 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 2 ch-1 sps)4 sts
Row 3 (RS)Sl st into first ch-3 sp, beg cl in same ch-3 sp, ch 3, cl in same sp (corner); *ch 1, cl in next ch-1 sp; rep from * across to center ch-2 sp; ch 1, (cl, ch 2, cl) in center ch-2 sp (center spine); ch 1, cl in next ch-1 sp; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (6 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 4 ch-1 sps)6 sts
Row 4 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); ch 1, cl in next ch-1 sp, ch 1, cl in next ch-1 sp; ch 1, (cl, ch 2, cl) in center ch-2 sp; ch 1, cl in next ch-1 sp, ch 1, cl in next ch-1 sp; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (8 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 6 ch-1 sps)8 sts
Row 5 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 3 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 3 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (10 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 8 ch-1 sps)10 sts
Row 6 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 4 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 4 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (12 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 10 ch-1 sps)12 sts
Row 7 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 5 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 5 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (14 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 12 ch-1 sps)14 sts
Row 8 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 6 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 6 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (16 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 14 ch-1 sps)16 sts
Row 9 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 7 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 7 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (18 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 16 ch-1 sps)18 sts
Row 10 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 8 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 8 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (20 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 18 ch-1 sps)20 sts
Row 11 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 9 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 9 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (22 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 20 ch-1 sps)22 sts
Row 12 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 10 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 10 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (24 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 22 ch-1 sps)24 sts
Row 13 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 11 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 11 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (26 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 24 ch-1 sps)26 sts
Row 14 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 12 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 12 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (28 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 26 ch-1 sps)28 sts
Row 15 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 13 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 13 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (30 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 28 ch-1 sps)30 sts
Row 16 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 14 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 14 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (32 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 30 ch-1 sps)32 sts
Row 17 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 15 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 15 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (34 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 32 ch-1 sps)34 sts
Row 18 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 16 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 16 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (36 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 34 ch-1 sps)36 sts
Row 19 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 17 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 17 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (38 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 36 ch-1 sps)38 sts
Row 20 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 18 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 18 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (40 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 38 ch-1 sps)40 sts
Row 21 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 19 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 19 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (42 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 40 ch-1 sps)42 sts
Row 22 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 20 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 20 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (44 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 42 ch-1 sps)44 sts
Row 23 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 21 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 21 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (46 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 44 ch-1 sps)46 sts
Row 24 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 22 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 22 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (48 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 46 ch-1 sps)48 sts
Row 25 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 23 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 23 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (50 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 48 ch-1 sps)50 sts
Row 26 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 24 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 24 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (52 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 50 ch-1 sps)52 sts
Row 27 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 25 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 25 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (54 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 52 ch-1 sps)54 sts
Row 28 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 26 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 26 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (56 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 54 ch-1 sps)56 sts
Row 29 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 27 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 27 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (58 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 56 ch-1 sps)58 sts
Row 30 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 28 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 28 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (60 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 58 ch-1 sps)60 sts
Row 31 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 29 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 29 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (62 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 60 ch-1 sps)62 sts
Row 32 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 30 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 30 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (64 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 62 ch-1 sps)64 sts
Row 33 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 31 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 31 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (66 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 64 ch-1 sps)66 sts
Row 34 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 32 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 32 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (68 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 66 ch-1 sps)68 sts
Row 35 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 33 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 33 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (70 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 68 ch-1 sps)70 sts
Row 36 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 34 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 34 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (72 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 70 ch-1 sps)72 sts
Row 37 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 35 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 35 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (74 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 72 ch-1 sps)74 sts
Row 38 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 36 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 36 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (76 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 74 ch-1 sps)76 sts
Row 39 (RS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 37 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 37 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Turn. (78 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 76 ch-1 sps)78 sts
Row 40 (WS)Sl st into first ch-3 sp, beg cl in same sp, ch 3, cl in same sp (corner); [ch 1, cl in next ch-1 sp] 38 times; ch 1, (cl, ch 2, cl) in center ch-2 sp; [ch 1, cl in next ch-1 sp] 38 times; ch 1, (cl, ch 3, cl) in last ch-3 sp (corner). Do not turn; do not fasten off. (80 cls, 2 corner ch-3 sps, 1 center ch-2 sp, 78 ch-1 sps)80 sts