1: (1 6 20)

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

2: (0 16 3)

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

3: (1 6 20)

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

4: (5 17 7)

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