1: (0 8 11)

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

2: (3 12 20)

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

3: (4 21 18)

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

4: (3 15 5)

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