1: (5 7 13)

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

2: (6 14 12)

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

3: (0 2 7)

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

4: (1 18 3)

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