B331133131323131133132233133313231333132233132313331333131133133311221123121331
>>
B33113313132313113313223313331323133313223313231333133313113313331122112312133
<<
B331133131323131133132233133313231333132233132313331333131133133311221123121333
>>
B331133131323131133132233133313231333132233132313331333131133133311221123121332
>>