1: (5 10 18)

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

2: (2 11 9)

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

3: (0 6 3)

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

4: (4 18 15)

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