1: (0 1 3)

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

2: (3 7 18)

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

3: (2 15 5)

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

4: (14 19 17)

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