1: (4 7 12)

(0 20 8 5 3)(1 4 10 7 2)(6 15 12)(9 14 11)(13 18 16)(17 21 19)

2: (3 8 5)

(0 20 8)(1 4 10 7 2)(3)(5)(6 15 12)(9 14 11)(13 18 16)(17 21 19)

3: (2 10 7)

(0 20 8)(1 4 10)(2)(3)(5)(6 15 12)(7)(9 14 11)(13 18 16)(17 21 19)

4: (9 14 11)

(0 20 8)(1 4 10)(2)(3)(5)(6 15 12)(7)(9)(11)(13 18 16)(14)(17 21 19)