1: (0 1 7)

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

2: (0 2 4)

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

3: (3 9 5)

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

4: (6 12 8)

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