otischeng 发表于 2015-1-5 19:33
you can only find such an old puzzle in Russia. Hard to obtain one in other area. Nice puzzle!
grigr 发表于 2015-1-6 00:15
all right!
for example: to buy a pyramid from Kishinev I had to go to another city 650 km!
this ...
grigr 发表于 2015-1-6 00:15
all right!
for example: to buy a pyramid from Kishinev I had to go to another city 650 km!
this ...
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