1: (0 3 4)

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

2: (6 16 18)

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

3: (15 20 17)

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

4: (3 19 12)

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