1: (0 2 16)

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

2: (4 16 20)

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

3: (9 21 18)

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

4: (3 12 5)

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