1: (5 7 12)

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

2: (6 13 11)

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

3: (3 9 12)

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

4: (8 15 10)

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