1: (0 3 12)

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

2: (2 19 5)

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

3: (3 14 6)

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

4: (10 16 13)

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