1: (2 6 11)

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

2: (5 16 8)

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

3: (6 14 9)

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

4: (10 15 12)

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