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"The grammatical errors in the instructions"
Tell me more specifically (in which sentence), if you have time, where to correct grammatical errors?
For example, the sentence "Items need sets equal colors min 3 to horizontal line".
"Items need sets" and then "equal colors". The first part is already a complete sentence, so it doesn't make sense for the second part to be there. Do you mean "Items need sets of equal colors"? Then what does "min 3 to horizontal line" mean? It doesn't make sense at all.
Then the next sentence: "Equal color blocks near by vertical and horizontal will clear". You have "Equal color blocks near ____ will clear", in the blank should be a noun phrase, and "by vertical and horizontal" is not a noun phrase.