B331133131323131133132233133313231313231333132322331313331313331323133313123231
>>
B33113313132313113313223313331323131323133313232233131333131333132313331312323
<<
B331133131323131133132233133313231313231333132322331313331313331323133313123233
>>
B331133131323131133132233133313231313231333132322331313331313331323133313123232
>>