1: (6 8 16)

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

2: (5 14 7)

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

3: (0 2 8)

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

4: (1 19 3)

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