Crochet Double Arch Pattern
The quantity of sts is multiple 10 + 1.
1st row (WS): 1sc into 14th ch from hook, *5ch, skip 4ch, 1dc into next ch**, 5ch, skip 4ch, 1sc into next ch; rep from * ending last rep at **, turn;
2nd row: 1ch, 1sc into first dc, *6sc into next 5ch arch, 1sc into next sc, 3sc into beginning of next 5ch arch, work a back double of [4ch, then without turning work, skip 6 previous sc and work a sl st back into previous sc, now work 5sc in the normal direction into 4ch arch just worked], 3sc into remaining part of 5ch arch**, 1sc into next dc; rep from * ending last rep at **, 1sc into next ch, turn;
3rd row: 1ch, 1sc into first st, *5ch, 1dc into 3rd of 5sc of next back double, 5ch, 1sc into sc over dc of previous row; rep from * ending last rep in last sc, turn;
4th row: 1ch, 1sc into first st, 3sc into beginning of next 5ch arch, turn, 2ch, skip 3 previous sc, work 1dc into first sc, 1ch, turn, 1sc into dc, 2sc into 2ch arch, 3sc into remaining part of 5ch arch, *1sc into next dc, 6sc into next 5ch arch, 1sc into next sc**, 3sc into beginning of 5ch arch, 1 back double as before, 3sc into remaining part of 5ch arch; rep from * ending last rep at **, 5ch, skip 3 previous sc, sl st back into next sc, 3sc in normal direction into beginning of 5ch arch, turn;
5th row: 8ch, *1sc into sc over dc of previous row, 5ch**, 1dc into 3rd of 5sc of next back double, 5ch; rep from * ending last rep at **, 1dc into last sc, skip tch, turn.
Repeat 2nd-5th rows.