B3311331313231311331322331333132313231333133313311221323132313331311332311
>>
B331133131323131133132233133313231323133313331331122132313231333131133231
<<
B3311331313231311331322331333132313231333133313311221323132313331311332313
>>
B3311331313231311331322331333132313231333133313311221323132313331311332312
>>