1: (2 6 15)

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

2: (6 8 13)

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

3: (5 10 7)

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

4: (1 14 12)

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