1: (0 1 3)

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

2: (3 8 18)

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

3: (2 16 7)

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

4: (15 19 17)

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