​Stripes of Crochet Squares Pattern

The quantity of sts is multiple 4 + 1 chain st increase.

1^st row: With A, into 3rd ch from hook work 1 sc, sc into each ch to end. Fasten off yarn. Do not turn;

2^nd row: Join B to beg of previous row. Ch 1 to count as first sc, sk first st, sc into each st to end. Fasten off yarn. Do not turn work;

3^rd and 4^th rows: Work as row 2;

5^th row: Join A to beg of previous row, Ch 1 to count as first sc, sk first st, insert hook under horizontal front loop of next st, yo and draw through a loop, (insert hook under horizontal front loop of st immediately below st just worked into, yo and draw through a loop) 3 times, (yo and draw through first 2 loops on hook) 4 times - 1 connect quad dc has been worked, *sc into each of next 3 sts, 1 connected quad dc into next st; rep from * to last 2 sts, sc into each of next 2 sts. Fasten off yarn. Do not turn work;

6^th-8^th rows: Work as row 2;

9^th row: Join A to beg of previous row, ch 1 to count as first sc, sk first st, sc into each of next 2 sts, *1 connected quad dc into next st, sc into each of next 3 sts; rep from * to last st, sc into last st. Fasten off yarn. Do not turn.

Repeat 2^nd-9^th rows.