1: (3 6 10)

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

2: (8 10 15)

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

3: (2 11 4)

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

4: (0 7 5)

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