1: (5 15 18)

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

2: (9 19 17)

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

3: (5 15 18)

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

4: (13 20 16)

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