B3311331313231311331322331333132313231333133313311231333131133132213231231
>>
B331133131323131133132233133313231323133313331331123133313113313221323123
<<
B3311331313231311331322331333132313231333133313311231333131133132213231233
>>
B3311331313231311331322331333132313231333133313311231333131133132213231232
>>