1: (3 8 12)

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

2: (2 3 4)

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

3: (6 14 9)

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

4: (11 16 13)

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