1: (0 2 13)

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

2: (1 17 3)

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

3: (6 19 13)

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

4: (15 20 18)

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