B331133131323131133132233133313231323331323133313112331333132312312323131221
>>
B33113313132313113313223313331323132333132313331311233133313231231232313122
<<
B331133131323131133132233133313231323331323133313112331333132312312323131223
>>
B331133131323131133132233133313231323331323133313112331333132312312323131222
>>