1: (0 7 10)

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

2: (6 19 8)

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

3: (0 7 10)

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

4: (1 20 16)

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