1: (0 1 17)

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

2: (4 17 21)

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

3: (2 18 11)

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

4: (1 20 17)

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