Row 15—Same as Row 13.
Row 16—Same as Row 14.
Row 17—K 2, P 4 (K 4, P 4, 4 times), K 10 (P 4, K 4, 4 times), P 4, K 2.
Row 18—P 2, K 4 (P 4, K 4, 4 times), P 10 (K 4, P 4, 4 times), K 4, P 2.
Row 19—Same as Row 17.
Row 20—Same as Row 18.
Row 21—Inc first st (P 4, K 4, 5 times), P 1, K 2, P 1 (K 4, P 4, 5 times), inc last st.
Row 22—P 2 (K 4, P 4, 5 times), K 1, P 2, K 1 (P 4, K 4, 5 times), P 2.
Row 23—K 2 (P 4, K 4, 5 times), P 1, K 2, P 1 (K 4, P 4, 5 times), K 2.