1: (0 5 16)

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

2: (3 20 6)

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

3: (5 19 7)

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

4: (6 18 13)

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