Relief Crochet Stitch
The quantity of sts is multipled 5 sts + 2 and 8 rows in height.
1st-2nd rows: 1 st increase, crochet each chain st with single crochets;
3rd row: 1 chain st, 2 single crochets, 6 chain sts, 1 single crochet, skip 3 crochets of the 2nd row, 1 single crochet;
4th row: 3 chain sts, 1 double crochet, 1 double crochet, 2 chain sts, 1 single crochet under chain sts of the 3rd row, 2 chain sts, 2 double crochets in the double crochets of the 3rd row;
5th row: 3 chain sts, 1 double crochet, 3 chain sts, 1 slip st in the single crochet of the 4th row, 3 chain sts, 2 double crochets;
6th row: 1 chain st, 2 single crochets, 3 chain sts, 2 single crochets;
7th row: 1 chain st, crochet each chain st with single crochets;
8th row: 3 chain sts, 1 double crochet, 1 double crochets, 1 chain st, 3 unfinished double crochets with common top, 1 chain st, 2 crossed double crochets.
Repeat the pattern from 1st to 8th rows.