1: (3 7 12)

(0 9 1)(2 21 5)(3 10 8 6 14 12 4)(7)(11 16 13)(15 19 17)(18 22 20)

2: (6 14 8)

(0 9 1)(2 21 5)(3 10 8 12 4)(6)(7)(11 16 13)(14)(15 19 17)(18 22 20)

3: (11 16 13)

(0 9 1)(2 21 5)(3 10 8 12 4)(6)(7)(11)(13)(14)(15 19 17)(16)(18 22 20)

4: (4 8 12)

(0 9 1)(2 21 5)(3 10 8)(4)(6)(7)(11)(12)(13)(14)(15 19 17)(16)(18 22 20)