1: (5 12 16)

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

2: (1 14 8)

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

3: (5 13 11)

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

4: (7 20 9)

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