Row 1: On the ring is made 19 pcs double crochet with 3 chains.
Row 2: 3 pcs chains is pulled and 19 pcs double crochet are made.
Row 3: 3 pcs chains is pulled and total 19 pcs double crochet is knitted in the form 1 pcs double crochet and 1 pcs chain.
Row 4: 7 pcs chains are drawn and and at the second space is knitted.
4 pcs chains are drawn 3 times and placed on the lower chains.
Seven chains are drawn in the middle and completed on the other side.
Row 5: With 3 pcs chains are returned and 9 pcs double crochets are maked on 7 chains.
4 chains are drawn on the chains and the row is completed.
Row 6: With 3 pcs chains are returned, 9 pcs double crochets on the double crochets and row is completed by knitting 4 pcs chains on the chain.
Row 7: Row are completed by with 3 pcs chains are returned and 9 pcs double crochets to make a chain between them while pulling 4 chains.
In this way, the desired length is knitted until obtained.