1: (6 12 18)

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

2: (5 14 7)

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

3: (11 15 13)

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

4: (2 8 12)

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