B331133131323131133132233133313231333132233132313331333131122211311111
>>
B33113313132313113313223313331323133313223313231333133313112221131111
<<
B331133131323131133132233133313231333132233132313331333131122211311113
>>
B331133131323131133132233133313231333132233132313331333131122211311112
>>