1: (10 15 20)

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

2: (1 17 13)

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

3: (8 14 12)

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

4: (6 10 9)

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