Crochet Aligned Cobble Pattern
The quantity of sts is multiple 2 + 2.
1st row (RS): 1sc into 2nd ch from hook, 1sc into each ch to end, turn;
2nd row: 1ch, 1sc into 1st st, *1tr into next st, 1sc into next st; rep from * to end, skip tch, turn;
3rd row: 1ch, 1sc into 1st st, 1sc into next and each st to end, skip tch, turn.
Repeat 2nd-3rd rows.