1: (0 4 18)

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

2: (3 19 15)

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

3: (0 4 18)

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

4: (13 19 17)

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