B33113313132313113313223313331323132322331313231323133313231323132212231
>>
B3311331313231311331322331333132313232233131323132313331323132313221223
<<
B33113313132313113313223313331323132322331313231323133313231323132212233
>>
B33113313132313113313223313331323132322331313231323133313231323132212232
>>