別問題

1 9□8□(7□654)○3□21
2 (98○7□654)○3□2□1
3 (9○8○76□543)○(2□1)
4 9□8□7○(65○4□3□21)
5 9○8□7□6○(5□4)○321
6 9○(8□7□654)○3□2○1
7 (98□7)○(65□43)□2□1
8 9○8□7○6○(5□43□2)□1
9 9□8□(76□5)○(4□3□21)
10 (9□8□7□6○54)○3○2□1
11 (9○8○7□6□5)○4□32□1
12 (987□(6□5□4)○3)○2□1
13 (9□87○(65□4))○3□2□1
14 9□8□(76□5)○4○(3○2□1)
15 9○(8□7○6○5)□43○(2□1)
16 (9□8□76○5□4)○(3□2○1)
17 (9□8□76○5□4)○(3○2□1)
18 (9□87○(65□4)□3)○(2□1)
19 9○8□7○6○(5○4□3)○2□1
20 9○(8□7○6○5□4)□3○2□1
21 (9○8○7□6□5)○4□3○2□1
22 9○8□7○(6□54○(3□2))□1
23 9○(8□(7□6)○5○43)□2○1
24 9○(8○(7□6)□5○43)□2○1
25 (9□8)○(76□5□4○3)○2□1
26 (9□8)○(76□5○4□3)○2□1
27 9□(87□6□5)○4)○(3○2□1)
28 (9□(87□6□5)○4)○(3□2○1)
29 9○((8□7○6□5)○4□3)□2○1
30 9○((8○7□6□5)○4□3)□2○1
31 (9□8)○(7○6□5□4○3)○2□1
32 (9□8)○(7○6□5○4□3)○2□1
33 (9□8□7○6)○(5□4○3)○2□1
34 (9□8□7○6)○(5○4□3)○2□1
35 (9□8○7□6)○(5□4○3)○2□1
36 (9□8○7□6)○(5○4□3)○2□1
37 (9○8□7□6)○(5□4○3)○2□1
38 (9○8□7□6)○(5○4□3)○2□1
39 (9□8)○(7○(6□5)□43□2)□1
40 ((98□7□6)○(5□4)□3)○2□1
41 ((98□7)○(6□5)□4□3)○2□1
42 (9□8○7○(6□5□4))○(3□2○1)
43 (9□8○7○(6□5□4))○(3○2□1)
44 (9○(8□7□6○5)□4)○(3□2○1)
45 (9○(8□7□6○5)□4)○(3○2□1)
46 (9○(8□7□6)○5□4)○(3□2○1)
47 (9○(8□7□6)○5□4)○(3○2□1)
48 (9○(8□7○6□5)□4)○(3□2○1)
49 (9○(8□7○6□5)□4)○(3○2□1)
50 (9○(8○7□6□5)□4)○(3□2○1)
51 (9○(8○7□6□5)□4)○(3○2□1)
52 (9□(8□7)○(6□5)○4)○3□2○1
53 (9□8)○((7□6)○(5□4)□3□2)□1