1: (10 12 16)

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

2: (6 13 16)

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

3: (8 17 11)

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

4: (5 9 7)

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