B331133131323131133132233133313231333132233132313331323223313133313121211111
>>
B33113313132313113313223313331323133313223313231333132322331313331312121111
<<
B331133131323131133132233133313231333132233132313331323223313133313121211113
>>
B331133131323131133132233133313231333132233132313331323223313133313121211112
>>