1: (1 16 20)

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

2: (0 18 13)

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

3: (1 16 20)

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

4: (3 17 15)

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