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.
22 blocks · 6 graded
21 blocks · 7 graded
21 blocks · 6 graded
20 blocks · 3 graded
16 blocks · 0 graded
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