B331133131323131133132233133313231323331323133313112331333131131123221
>>
B33113313132313113313223313331323132333132313331311233133313113112322
<<
B331133131323131133132233133313231323331323133313112331333131131123223
>>
B331133131323131133132233133313231323331323133313112331333131131123222
>>