These are mapped up to the thumb divide. r32: work across plus thumb stitches, then co2 sts and work thumb in pattern in the round for 16 rounds total. Next k round, k2tog around all sts, then cut yarn and thread through remaining 8 sts, tie off. CO 3 sts across thumb gap, cont. across the palm. work pattern rows to base of ring finger nail, then beg. working hand decreases.
Shown with a cast-on count of 52 stitches.