1: (5 9 11)

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

2: (2 9 20)

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

3: (1 18 3)

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

4: (2 11 4)

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