1: (10 13 18)

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

2: (6 14 12)

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

3: (4 11 9)

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

4: (8 15 13)

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