B331133131323131133132233133313231333132233132313331333131313232213111
>>
B33113313132313113313223313331323133313223313231333133313131323221311
<<
B331133131323131133132233133313231333132233132313331333131313232213113
>>
B331133131323131133132233133313231333132233132313331333131313232213112
>>