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#11
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![]() R6
$4 Tri 5//2,3,4,6//2,3,4,6=$48 $4 Tri 2,3,4,6//5//2,3,4,6=$48 $1 Tri 5//2,3//2,3=$2 $1 Tri 2,3//5//2,3=$2 |