598 × 32

(a)  

74 × 149

(a)  

231 × 78

(a)  

69 × 632

(a)  

548 × 25

(a)  

72 × 497

(a)  

968 × 63

(a)  

35 × 254

(a)  

498 × 98

(a)  

936 × 19

(a)  

25 × 634

(a)  

498 × 28

(a)  

72 × 749

(a)  

986 × 52

(a)  

32 × 649

(a)  

154 × 32

(a)  

96 × 519

(a)  

873 × 47

(a)  

25 × 832

(a)