1: (0 3 12)

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

2: (6 18 21)

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

3: (5 19 16)

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

4: (3 20 18)

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