Only one thing I couldn't interpret: what is the intuition behind drawing grid lines and adding theta to the number with 2 grid lines and subtracting theta with 1 grid line and leaving the number as it is in case of number which has one grid line over it.
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Only one thing I couldn't interpret: what is the intuition behind drawing grid lines and adding theta to the number with 2 grid lines and subtracting theta with 1 grid line and leaving the number as it is in case of number which has one grid line over it.