1: (0 2 7)

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

2: (1 21 4)

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

3: (3 9 6)

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

4: (0 2 20)

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