tens by tens
51 x 8
408
143 x 12
516
758 x 92
69,736
481 x 352
169,312
21 x 23
483
60 x 5
300
312 x 32
9,984
476 x 65
30,940
481 x 302
145,262
78 x 42
3,276
43 x 9
387
123 x 23
2,289
547 x 64
35,008
346 x 207
71,622
143 x 12
1,716
74 x 6
444
434 x 21
9, 114
958 x 94
90,052
164,994
783 x 42
32,886
87 x 9
783
814 x 39
31,746
649 x 53
34,397
426 x 357
162,792
1346 x 297
399, 762