B331133131323131133132233133313113313231333131323223313133313231323132312323331
>>
B33113313132313113313223313331311331323133313132322331313331323132313231232333
<<
B331133131323131133132233133313113313231333131323223313133313231323132312323333
>>
B331133131323131133132233133313113313231333131323223313133313231323132312323332
>>