1: (0 7 18)

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

2: (6 19 17)

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

3: (0 7 18)

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

4: (2 20 16)

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