B331133131323131133132233133313231323331323323133313331323211331311212121
>>
B33113313132313113313223313331323132333132332313331333132321133131121212
<<
B331133131323131133132233133313231323331323323133313331323211331311212123
>>
B331133131323131133132233133313231323331323323133313331323211331311212122
>>