1: (2 16 19)

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

2: (6 20 18)

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

3: (2 16 19)

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

4: (1 9 4)

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