1: (1 6 8)

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

2: (4 20 7)

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

3: (1 6 8)

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

4: (0 11 2)

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