1: (1 8 12)

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

2: (6 15 9)

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

3: (1 17 7)

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

4: (5 13 11)

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