1: (1 6 9)

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

2: (5 10 7)

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

3: (4 11 9)

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

4: (2 12 10)

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