1: (6 10 20)

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

2: (2 14 7)

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

3: (6 11 8)

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

4: (0 19 3)

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