1: (7 10 16)

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

2: (6 11 9)

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

3: (7 10 16)

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

4: (8 17 12)

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