1: (7 15 20)

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

2: (1 17 12)

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

3: (6 13 11)

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

4: (5 18 15)

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