1: (3 11 15)

(0 10 9)(1 6 4)(2 20 18)(3 11 15)(5 12 8)(7 16 14)(13 19 17)

2: (7 16 14)

(0 10 9)(1 6 4)(2 20 18)(3 11 15)(5 12 8)(7)(13 19 17)(14)(16)

3: (3 11 15)

(0 10 9)(1 6 4)(2 20 18)(3)(5 12 8)(7)(11)(13 19 17)(14)(15)(16)

4: (5 12 8)

(0 10 9)(1 6 4)(2 20 18)(3)(5)(7)(8)(11)(12)(13 19 17)(14)(15)(16)