B331133131323131133132233133313233313132313231323133313133313231333112323111
>>
B33113313132313113313223313331323331313231323132313331313331323133311232311
<<
B331133131323131133132233133313233313132313231323133313133313231333112323113
>>
B331133131323131133132233133313233313132313231323133313133313231333112323112
>>