1: (0 3 8)

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

2: (1 18 5)

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

3: (8 15 17)

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

4: (12 19 16)

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