1: (0 5 7)

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

2: (4 8 6)

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

3: (1 9 7)

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

4: (2 9 21)

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