1: (0 3 13)

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

2: (1 19 5)

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

3: (13 15 18)

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

4: (12 16 14)

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