1: (6 10 12)

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

2: (4 10 18)

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

3: (3 7 5)

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

4: (11 20 17)

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