brick
$0
concrete
$0
floor
$0
floor
$0
floor
$0
floor
$0
asphalt
$0
concrete
$0
floor
$0
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$0
concrete
$0
clean
$0
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$0
concrete
$0
cobblestone
$0
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$0
floor
$0
floor
$0
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concrete
$0
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$0
bark
$0
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$0
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$0
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$0
brick
$0
carpet
$0
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$0
floor
$0
floor
$0
cobblestone
$0
floor
$0
brick
$0
brick
$0
floor
$0
floor
$0