B331133131323131133132233133313231333132233132313331333131313231323222111
>>
B33113313132313113313223313331323133313223313231333133313131323132322211
<<
B331133131323131133132233133313231333132233132313331333131313231323222113
>>
B331133131323131133132233133313231333132233132313331333131313231323222112
>>