1: (0 1 3)

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

2: (3 6 18)

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

3: (2 15 5)

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

4: (14 19 17)

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