1: (6 16 20)

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

2: (3 4 20)

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

3: (0 19 9)

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

4: (5 11 8)

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