1: (7 16 20)

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

2: (0 19 9)

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

3: (6 11 8)

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

4: (2 7 18)

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