1: (1 5 9)

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

2: (3 12 6)

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

3: (1 5 9)

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

4: (0 10 8)

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