1: (2 8 20)

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

2: (0 9 7)

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

3: (1 18 3)

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

4: (6 19 8)

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