(1) the first lap: take 20 knitting needles, count back three knitting needles, hook three long needles at the fourth knitting needle (that is, the seventeenth needle from the beginning), then hook the long needles in turn, hook eight long needles at the knitting needle starting from the first needle, then hook the long needles in turn, and hook the other end of this knitting needle (one knitting needle hooks three long needles).

(2) The second lap: long hook needle. Add a long needle to each of the eight needles on both sides (one knitting needle hooks the eight long needles) to connect them, so that the second coil is hooked.

(3) The third turn: firstly hook short needles, add a short needle every other long needle, add three short needles, and then hook the short needles in the long needles in turn and then hook five needles; Next, hook five medium and long needles; Hook five long needles, then add one long needle every other long needle, * * * add eight long needles, and hook five long needles; Next, hook five medium and long needles; Hook five short stitches, add one short stitch every other long stitch, and connect four short stitches, and the whole sole is completed.