B3311331313231311331322331333132313231333133313311211113313331322132222121
>>
B331133131323131133132233133313231323133313331331121111331333132213222212
<<
B3311331313231311331322331333132313231333133313311211113313331322132222123
>>
B3311331313231311331322331333132313231333133313311211113313331322132222122
>>