1: (1 5 9)

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

2: (4 14 6)

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

3: (7 16 12)

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

4: (1 6 11)

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