Can you spot the elf boot hiding in this tricky Christmas puzzle?

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBGJ6Jf.img?h=100&w=100&m=6&q=60&o=f&l=f&x=1973&y=873On average it takes 139 seconds to work out. Can you beat that?

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