ABCDE
1
2
+2-2
3
+7-3
3
-3+7
1
+2-1
3
-3+6
2
7
-7+2
1
-1+5
2
-2+6
2
-2+3
4
-4+2
3
6
-6+6
5
+2-5
10
3
+7-3
3
-3+2
4
3
-3+4
8
-8+3
1
-1+4
3
-3+3
1
-1+7
5
1
-1+6
6
-6+3
2
+8-2
4
-4+6
8
-8+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.