Controlling Heat Map

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1 Sun 2 3 3 2 2 1   1 2 2 2 5 3 1 1 1               1   2 3 3 2 2 2 2    2 2 5 6 8 6 5 6
2 Mon 4 2 3 3 3 2 3 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1        1        2 2 2 2 2 2 2 2 2 1 1 1 1
3 Tue 2 3 4 5 6 6 6 7 4 2 3 3 3 3 2 1 1 1    1 1 1 1 1 1 1 1 1 1 2 1 1 1 1           3 4 6 4
4 Wed 4 5 2 1 1 1 2 2 3 3 2 3                                     
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28 Sat