1: (2 7 12)

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

2: (5 16 9)

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

3: (4 20 6)

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

4: (0 18 2)

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