1: (5 10 20)

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

2: (0 19 7)

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

3: (3 8 6)

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

4: (10 12 14)

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