1: (7 16 18)

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

2: (14 20 17)

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

3: (7 16 18)

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

4: (6 19 8)

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