6 ch and join with sl st to form a ring.
Round 1
2 ch, 23 dc round into the ring, close with a sl st (total of 24 dc)
Round 2
4 ch (counts as 1 dc + 2 ch) 1 dc in the closing sl st of the previous row
1 ch * skip 2 ch, in the next ch: 1 dc, 2 ch, 1 dc, 1 ch * Reapeat 7x from * to *. Close round with a sl st in the 2nd ch (of 4 ) of the start.
Round 3
2 ch (counts as 1 dc), 1 dc, 2 ch, 2 dc under the 2 ch of the previous row, 1 sc under the 1 ch * 2 dc, 2 ch, 2 dc as before, 1 sc as before *. Reapeat 7 x from * to *. Close with a sl st in 2nd ch (of 2) of the start.
Round 4
No build up with ch as before, directly 3 dc, 1 ch, 3 dc under the 2 ch of the previous row, 1 sc to the left and right of the sc of the previous row. Repeat 8 x and close with a sl st in the 1st ch of the previous row.
Bind off.