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d         o                         i
e         m                        d
w        e                         e
a         n                         w
l                                     a
k                                    l
sidewalksidewalksidewalk
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d         p                         i
e         a                         d
w        s                         e
a         s                         w
l                                     a
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sidewalksidewalksidewalk
i                                     s
d                                    i
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w                                   e
a          b                        w
l           y                        a
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sidewalksidewalksidewalk