1: (0 6 8)

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

2: (5 14 7)

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

3: (4 16 8)

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

4: (12 18 15)

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