1: (0 6 12)

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

2: (5 19 7)

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

3: (2 20 17)

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

4: (1 6 4)

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