1. 26.
    -1
    888888______888888888888888888
    888888______888888888888888888
    888888______888888
    888888______888888
    888888888888888888888888888888
    888888888888888888888888888888
    ____________888888______888888
    ____________888888______888888
    ____________888888______888888
    888888888888888888______888888
    888888888888888888______888888
    ···
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