A memory box can count. Set steps to 0 before a repeat, put change steps by 1 under the repeat, and the box adds one every round. To predict the final number, read where the box starts, how many rounds the repeat runs, and how much each round adds.
18 blocks · 4 graded
17 blocks · 5 graded
17 blocks · 4 graded
16 blocks · 1 graded
14 blocks · 0 graded
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