1: (2 10 12)

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

2: (9 13 11)

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

3: (8 20 12)

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

4: (0 18 3)

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