1: (1 8 12)

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

2: (7 20 9)

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

3: (0 17 2)

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

4: (5 10 8)

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