B331133131323131133132233133313233313132313231323133313331323222223221
>>
B33113313132313113313223313331323331313231323132313331333132322222322
<<
B331133131323131133132233133313233313132313231323133313331323222223223
>>
B331133131323131133132233133313233313132313231323133313331323222223222
>>