5. Fourth row: Put 2 single crochets in the first stitch; single crochet to the end of row. Chain 5. Turn.
6. Fifth row: Put 4 single crochets in the chain, and single crochet to end of the row. 1 chain.
7. Sixth row: Put 2 single crochets in the first stitch; single crochet to end of row. 1 chain.
8. Seventh row: Make 17 single crochets, 1 chain.
9. Eighth row: Put 2 single crochets in the first stitch; single crochet to end. Make 1 chain.
10. Make 6 more rows of 18 stitches.
11. On the fifteenth row, skip the stitch next to the last. Make 1 chain.
12. Sixteenth row: Make 17 single crochets and 1 chain.
13. Seventeenth row is the same as the fifteenth row.