Update: One Cable Vest

Back
Neck Shaping
Next Row (RS): K11 (12, 13, 13, 15), bind off 22 (22, 22, 24, 26) sts, knit to end.
Work shoulders separately as follows:
Left Shoulder
Row 1 (WS, dec): P8 (9, 10, 10, 12) ssp, p1, sl rem sts to holder, turn. [10 (11, 12, 12, 14) sts]

Front
With smaller ndls, cast on 72 (76, 80, 84, 90) sts. Knit 3 rows. Change to larger ndls. Cont in Rev St st as foll:
Row 1 (RS, Inc): P29 (31, 33, 35, 38), pm, k4, inc 1, k1, slip 1 to cn and hold in back, inc 1, k1, inc 1, k1 from cn, slip 1 to cn and hold in front, inc 1, k1, k1 from cn, inc 1, k1, inc 1, k4, pm, purl to end. [78 (82, 86, 90, 96) sts]
Row 2 (WS): Knit to marker, work Cable Pat Row 2, knit to end. Cont in Cable Pat and Rev St st, starting with Lower Back work as for Back to Armholes. [78 (82, 86, 90, 96) sts] Note: Front has 6 sts more than Back.
Left Shoulder
Row 1 (WS): P2tog, purl to marker, knit to end. [26 (27, 29, 30, 32) sts]
Row 2 (dec): P1, ssp, purl to marker, k2, C4R, k2tog. [24 (25, 27, 28, 30) sts]
Row 3: As Row 1. [23 (24, 26, 27, 29) sts]