1: (5 10 19)

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

2: (0 18 7)

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

3: (6 11 9)

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

4: (10 20 12)

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