1: (7 15 19)

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

2: (6 18 8)

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

3: (7 15 19)

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

4: (14 20 17)

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