1: (0 1 8)

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

2: (3 8 21)

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

3: (2 12 4)

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

4: (1 20 8)

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