1: (3 18 20)

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

2: (0 19 7)

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

3: (3 18 20)

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

4: (2 8 6)

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