1: (0 8 20)

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

2: (0 3 6)

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

3: (2 7 4)

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

4: (1 20 6)

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