1: (0 1 4)

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

2: (4 18 20)

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

3: (9 21 19)

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

4: (3 13 5)

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