1: (0 2 4)

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

2: (4 17 20)

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

3: (14 21 18)

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

4: (1 19 9)

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