1: (1 4 8)

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

2: (3 20 6)

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

3: (1 4 8)

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

4: (0 12 2)

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