B3311331313231313233313231323131123313231322331333132313233313231311123231
>>
B331133131323131323331323132313112331323132233133313231323331323131112323
<<
B3311331313231313233313231323131123313231322331333132313233313231311123233
>>
B3311331313231313233313231323131123313231322331333132313233313231311123232
>>