B331133131323131133132233133313113313231123313231333133313232212312231
>>
B33113313132313113313223313331311331323112331323133313331323221231223
<<
B331133131323131133132233133313113313231123313231333133313232212312233
>>
B331133131323131133132233133313113313231123313231333133313232212312232
>>