1: (9 17 20)

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

2: (1 18 15)

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

3: (9 17 20)

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

4: (0 19 7)

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