1: (5 12 16)

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

2: (4 14 8)

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

3: (5 13 11)

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

4: (7 19 9)

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