5 balls Buttercup.
2 balls each Red and Black.
Plastic crochet hook No. 4 or F.
With Blue, ch 4, join to form a ring, ch 3 (counts as 1 d c in each row) and work 11 d c in ring, join in 3rd st of ch.
2nd Row. Ch 3, 1 d c in next d c, * 2 d c, ch 2, 2 d c in next d c (corner), 1 d c in each of the next 2 d c, repeat from * twice, 2 d c, ch 2, 2 d c in next d c, join in 3rd st of ch.
3rd Row. Ch 3, 1 d c in each d c, 2 d c, ch 2, 2 d c in the ch 2 loop at each corner, join in 3rd st of ch.
Repeat last row 3 times, cut yarn (22 d c on each side).
7th Row. Attach Buttercup, ch 1 and work 1 s c in each d c, 1 s c, ch 3, 1 s c in the ch 2 loop at each corner, join in ch 1.
8th Row. Ch 1, work 1 s c in each s c, 1 s c, ch 3, 1 s c in the ch 3 loop at each corner, cut yarn.
9th Row. Attach Blue, work same as 3rd row, cut yarn.
10th and 11th Rows. Attach Buttercup, work same as 7th and 8th rows, cut yarn.
12th Row. Attach Blue, work 1 d c in each s c, 2 d c, ch 2, 2 d c in the ch 3 loop at each corner.