1: (2 4 16)

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

2: (1 9 3)

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

3: (6 18 10)

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

4: (15 19 17)

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