1: (8 12 16)

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

2: (0 5 12)

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

3: (3 10 7)

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

4: (1 20 9)

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