1: (1 7 15)

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

2: (0 8 6)

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

3: (7 18 9)

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

4: (12 19 17)

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