B3311331313231311331322331333132313231333133313311211113312111133132322133321
>>
B331133131323131133132233133313231323133313331331121111331211113313232213332
<<
B3311331313231311331322331333132313231333133313311211113312111133132322133323
>>
B3311331313231311331322331333132313231333133313311211113312111133132322133322
>>