1: (4 10 18)

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

2: (2 11 9)

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

3: (0 5 3)

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

4: (8 16 10)

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