B3311331313231311331322331333132313231333133313311211113312111133132313121321
>>
B331133131323131133132233133313231323133313331331121111331211113313231312132
<<
B3311331313231311331322331333132313231333133313311211113312111133132313121323
>>
B3311331313231311331322331333132313231333133313311211113312111133132313121322
>>