1: (2 6 18)

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

2: (1 7 5)

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

3: (0 14 6)

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

4: (13 19 17)

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