1: (0 3 7)

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

2: (1 8 4)

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

3: (0 13 2)

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

4: (6 20 12)

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