Place one of the four letters A, B, C or D in each of the blue-coloured cells. No letter can be horizontally or vertically adjacent to itself. The yellow-coloured tables above and to the left of the grid indicate how many times each letter appears in that column or row.
This is an extended version of ABCD.
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| | | | A | 3 | 2 | 0 | 2 | 2 | 2 | 0 | 3 | 1 | | |
| | | | B | 2 | 1 | 3 | 0 | 0 | 1 | 3 | 0 | 2 | | |
| | | | C | 1 | 2 | 1 | 3 | 2 | 3 | 1 | 2 | 1 | | |
| A | B | C | D | 0 | 1 | 2 | 1 | 2 | 0 | 2 | 1 | 2 | | |
| 2 | 0 | 4 | 3 | | | | | | | | | | | |
| 4 | 4 | 1 | 0 | | | | | | | | | | | |
| 3 | 2 | 2 | 2 | | | | | | | | | | | |
| 3 | 3 | 2 | 1 | | | | | | | | | | | |
| 1 | 0 | 4 | 4 | | | | | | | | | | | |
| 2 | 3 | 3 | 1 | | | | | | | | | | | |
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(In reply to
re: No Subject by brianjn)
You might mention that the individual must be logged in to see "Rate this problem" which is required in order to rate it.
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Posted by Dej Mar
on 2008-03-08 01:49:17 |
re(2): No Subject
