1: (1 7 10)

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

2: (6 12 8)

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

3: (0 10 4)

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

4: (2 20 9)

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