1: (0 7 11)

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

2: (6 16 10)

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

3: (1 17 15)

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

4: (11 13 19)

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