1: (0 1 20)

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

2: (0 6 8)

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

3: (4 9 7)

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

4: (1 19 8)

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