B331133131323131133132233133313231333132233132313331333131313231323222121
>>
B33113313132313113313223313331323133313223313231333133313131323132322212
<<
B331133131323131133132233133313231333132233132313331333131313231323222123
>>
B331133131323131133132233133313231333132233132313331333131313231323222122
>>