1: (2 7 18)

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

2: (1 8 6)

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

3: (0 15 7)

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

4: (13 19 17)

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