Top T junction with a double horizontal line and a single line going down, for column dividers under double-line table tops.
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DRAWINGS VERTICAL HEAVY AND HORIZONTAL LIGHTU+2543BOX DRAWINGS LEFT UP HEAVY AND RIGHT DOWN LIGHTU+2544BOX DRAWINGS RIGHT UP HEAVY AND LEFT DOWN LIGHTU+2545BOX DRAWINGS LEFT DOWN HEAVY AND RIGHT UP LIGHTU+2546BOX DRAWINGS RIGHT DOWN HEAVY AND LEFT UP LIGHTU+2547BOX DRAWINGS DOWN LIGHT AND UP HORIZONTAL HEAVYU+2548BOX DRAWINGS UP LIGHT AND DOWN HORIZONTAL HEAVYU+2549BOX DRAWINGS RIGHT LIGHT AND LEFT VERTICAL HEAVYU+254ABOX DRAWINGS LEFT LIGHT AND RIGHT VERTICAL HEAVYU+254BBOX DRAWINGS HEAVY VERTICAL AND HORIZONTALU+254CBOX DRAWINGS LIGHT DOUBLE DASH HORIZONTALU+254DBOX DRAWINGS HEAVY DOUBLE DASH HORIZONTALU+254EBOX DRAWINGS LIGHT DOUBLE DASH VERTICALU+254FBOX DRAWINGS HEAVY DOUBLE DASH VERTICALU+2550BOX DRAWINGS DOUBLE HORIZONTALU+2551BOX DRAWINGS DOUBLE VERTICALU+2552BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLEU+2553BOX DRAWINGS DOWN DOUBLE AND RIGHT SINGLEU+2554BOX DRAWINGS DOUBLE DOWN AND RIGHTU+2555BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLEU+2556BOX DRAWINGS DOWN DOUBLE AND LEFT 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