1: (1 6 12)

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

2: (5 14 7)

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

3: (11 16 13)

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

4: (4 8 12)

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