How to Crochet a Multi Color Granny Square Star Afghan

How to Crochet a Multi Color Granny Square Star Afghan With color A ch 4 sl st to first ch to form a ring rnd 1- ch3, 2dc in the ring, ch2, 3dc, ch 1 add color B with a ch, 3dc in the ring, ch2, 3dc, ch2, sl st to top of ch3 rnd 2- turn work sl st in corner sp, ch3, 2dc, ch1, 3dc, ch2, 3dc in next corner sp, ch1, 3dc, ch1, pick up color A make another ch, 3dc in same sp, ch 1, 3dc, ch 2, 3 dc, ch 1, 3dc into corner sp, ch 2, sl st to top of ch3 sp of color B rnd 3- turn work sl st in corner space, ch