ABCDE
1
1
+5-1
7
-7+8
2
+9-2
1
-1+5
1
+9-1
2
3
-3+2
4
+2-4
6
+2-6
5
-5+1
3
-3+2
3
6
-6+6
7
-7+6
10
3
+2-3
6
+3-6
4
5
+4-5
1
+4-1
1
+5-1
2
-2+7
5
-5+2
5
2
-2+5
5
+4-5
6
-6+2
2
-2+4
6
-6+2
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If you log in or create a new account, you can permanently save your high scores, achievements and unlock points, proceed further in the game, and hide this dumb notice.

Well, by "Permanently," I mean "I'll put it on the hard drive." Nothing is truly permanent.
Day 6
Biscuit Readjustment

10x8x6

480

A shortage, then an unexpected surplus, then a shortage again - it had to even out eventually. Today, biscuits are nicely distributed more or less at random, as is the nature of the rook economy.