1: (0 4 15)

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

2: (3 18 5)

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

3: (4 17 12)

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

4: (10 16 14)

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