1: (0 2 5)

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

2: (1 8 3)

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

3: (5 16 18)

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

4: (15 19 17)

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