1: (3 8 12)

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

2: (7 13 11)

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

3: (5 14 12)

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

4: (4 15 6)

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