1: (1 6 9)

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

2: (5 11 7)

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

3: (6 10 8)

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

4: (4 14 9)

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