B3311331313231311331322331333132313231333133313311211111333131133133322123331
>>
B331133131323131133132233133313231323133313331331121111133313113313332212333
<<
B3311331313231311331322331333132313231333133313311211111333131133133322123333
>>
B3311331313231311331322331333132313231333133313311211111333131133133322123332
>>