1: (1 4 8)

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

2: (3 20 6)

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

3: (1 4 8)

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

4: (0 18 2)

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