Base Ring: Using A, ch4, join with slip st
Round 1: Ch1, [1sc in ring, ch10] 8 times, slip st to 1st sc. Fasten off A
Round 2: Join B at top of any ch-10 sp, ch3 (count as 1dc), 2dc into same sp, * [3dc, ch2, 3dc] into next sp for corner, 3dc into next sp; rep from * twice more, [3dc, ch2, 3dc] into next sp, slip st to top of ch-3. Fasten off B.
Round 3: Join C in ch-2 of any corner, ch3, 2dc into same ch-2 sp, [1dc into each of next 9 dc, 3dc into next ch-2 sp] 3 times, 1dc into each of next 9 dc, slip st to top of ch-3.
Fasten Off
