B331133131323131133132233133313231323223313232222331323133313231333132322131
>>
B33113313132313113313223313331323132322331323222233132313331323133313232213
<<
B331133131323131133132233133313231323223313232222331323133313231333132322133
>>
B331133131323131133132233133313231323223313232222331323133313231333132322132
>>