1: (0 3 7)

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

2: (1 9 4)

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

3: (6 14 8)

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

4: (0 5 3)

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