Change to larger needles and cable pattern:
Row 1 & 5(RS): (P1, k4) 1 (0, 1, 0) time, *(p1, k4[cable section], p1, k4[ladder section]); repeat from * to 5 sts before center st, p1, k4[cable], purl center st, k4[cable], p1, **(k4[ladder section], p1, k4[cable section], p1); repeat from ** to last 5 (0, 5, 0) sts; ending with k4[ladder section], p1 for the first and third sizes.
Row 2, 4, & 6(WS): (K1, p1, k2, p1 (ladder) ) 1 (0, 1, 0) times, *(k1, p4 [cable], k1, p1, k2, p1 (ladder)); repeat from * to 5 sts before center st, k1, p4, k1 (center st), p4, k1, **(p1, k2, p1[ladder], k1, p4, k1); repeat from ** to last 5 (0, 5, 0) sts, ending with p1, k2, p1 (ladder ), k1 for the first and third sizes.
Row 3: (P1, k4) 1 (0, 1, 0) time, *(p1, cable 4F[Sl 2 sts to cn and hold to front, k2, k2 from cn], p1, k4[ladder section]); repeat from * to 5 sts before center st, p1, cable 4F, purl center st, cable 4F, p1, **(k4[ladder section], p1, cable 4F, p1); repeat from ** to last 5 (0, 5, 0) sts; ending with k4[ladder section], p1 for the first and third sizes.