1: (0 4 12)

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

2: (2 17 8)

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

3: (1 21 12)

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

4: (0 7 17)

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