B331133131323131133132233133313231323223313132313231333132313232122331
>>
B33113313132313113313223313331323132322331313231323133313231323212233
<<
B331133131323131133132233133313231323223313132313231333132313232122333
>>
B331133131323131133132233133313231323223313132313231333132313232122332
>>