1: (0 2 16)

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

2: (1 20 3)

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

3: (2 18 4)

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

4: (15 19 17)

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