1: (1 8 18)

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

2: (7 20 9)

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

3: (1 8 18)

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

4: (0 19 16)

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