B3311331313231311331322331333132313231313113313331323132313232211331
>>
B331133131323131133132233133313231323131311331333132313231323221133
<<
B3311331313231311331322331333132313231313113313331323132313232211333
>>
B3311331313231311331322331333132313231313113313331323132313232211332
>>