1: (1 3 7)

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

2: (2 20 5)

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

3: (1 3 7)

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

4: (4 8 6)

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