B3311331313231311331322331333132313231323132313133313231323133313131121311
>>
B331133131323131133132233133313231323132313231313331323132313331313112131
<<
B3311331313231311331322331333132313231323132313133313231323133313131121313
>>
B3311331313231311331322331333132313231323132313133313231323133313131121312
>>