1: (0 7 19)

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

2: (1 20 10)

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

3: (0 7 19)

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

4: (6 16 8)

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