1: (0 3 9)

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

2: (2 15 4)

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

3: (8 18 11)

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

4: (9 20 21)

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