1: (2 6 8)

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

2: (5 10 7)

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

3: (4 11 8)

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

4: (1 10 3)

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