1: (3 6 15)

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

2: (1 8 5)

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

3: (3 6 15)

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

4: (0 4 2)

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