TANDEM: 3 (3, 4, 4, 5, 5, 5) balls of #17 earth and sky (A), 6 (6, 7, 8, 9, 9, 10) balls of #12 granite (B), and 4 (4, 5, 5, 6, 6, 7) balls of color #13 smoky mountains (C)