B331133131323131133132233133313233313132313311232313231333133313231323121221
>>
B33113313132313113313223313331323331313231331123231323133313331323132312122
<<
B331133131323131133132233133313233313132313311232313231333133313231323121223
>>
B331133131323131133132233133313233313132313311232313231333133313231323121222
>>