B331133131323131133132233133313113313231123313231333133313231232313221
>>
B33113313132313113313223313331311331323112331323133313331323123231322
<<
B331133131323131133132233133313113313231123313231333133313231232313223
>>
B331133131323131133132233133313113313231123313231333133313231232313222
>>