1: (1 15 18)

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

2: (1 5 20)

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

3: (0 11 3)

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

4: (2 7 4)

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