B3311331313231311331322331333132313331311331133133313231333132313331322232311
>>
B331133131323131133132233133313231333131133113313331323133313231333132223231
<<
B3311331313231311331322331333132313331311331133133313231333132313331322232313
>>
B3311331313231311331322331333132313331311331133133313231333132313331322232312
>>