Round 1: Using Col A; In magic ring, (or ch 4, sl st to 1st ch made) ch 3, 11 dc in ring, jss to top of ch 3. Cut yarn. (12dc)
Round 2: Using Col B; In any st, make a standing bptr, ch 2, *bptr around next st, ch 2*, repeat from * around, jss to 1st bptr. Cut yarn.(12 bptr, 12 x ch-2 sps)
Round 3: Using Col A; In any ch-2 sp make a standing sc, ch 3, *sc in ch-2 sp, ch 3*, repeat