1: (4 10 12)

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

2: (9 16 11)

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

3: (3 13 5)

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

4: (7 15 12)

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