# = = = = = = = = = = . .
        f . . . . . . . . . . . ~ # = = = = = = = = = . .
        d . . . . . . . . . . . ~ ~ # = ~ = = = = = = . .
        g . . . . . . . . . . . ~ ~ ~ # ~ ~ = = = = = . .
        F . . . . . . . . . . . . . . . # = = = = = = . .
        D . . . . . . . . . . . . . . . ~ # = = = = = . .
        G . . . . . . . . . . . . . . . ~ ~ # = = = = . .
        S . . . . . . . . . . . . . . . . . . # = = = . .
        U . . . . . . . . . . . . . . . . . . . # = = . .
        V . . . . . . . . . . . . . . . . . . . . # = . .
        O . . . . . . . . . . . . . . . . . . . . = # . .
        M . . . . . . . . . . . . . . . . . . . . = = # .
        m . . . . . . . . . . . . . . . . . . . . = = . #
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