select the box in which your guessed number exists (remember it as well as you have to enter it as well)
| box-1 | 90, 55, 10, 41, 70, 71, 74, 84, 59, 97 |
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| box-2 | 18, 46, 20, 32, 16, 26, 83, 39, 95, 89 |
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| box-3 | 81, 64, 11, 23, 61, 62, 38, 93, 68, 98 |
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| box-4 | 45, 28, 12, 40, 60, 34, 53, 92, 58, 86, 99 |
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| box-5 | 54, 82, 21, 13, 15, 43, 35, 29, 67, 77, 96 |
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| box-6 | 27, 91, 30, 31, 51, 52, 44, 57, 49, 78 |
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| box-7 | 72, 19, 22, 33, 25, 56, 66, 76, 87 |
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| box-8 | 36, 37, 50, 24, 80, 65, 48, 85, 79, 69 |
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| box-9 | 63, 73, 14, 42, 17, 47, 75, 94, 88 |
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