1: (0 5 9)

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

2: (1 10 8)

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

3: (0 5 9)

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

4: (3 11 7)

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