1: (0 1 5)

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

2: (5 10 18)

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

3: (2 11 7)

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

4: (10 19 15)

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