1: (3 4 8)

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

2: (4 11 13)

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

3: (9 14 12)

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

4: (2 13 8)

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