B331133131323131133132233133313231333132233132313331333132313233313232111311
>>
B33113313132313113313223313331323133313223313231333133313231323331323211131
<<
B331133131323131133132233133313231333132233132313331333132313233313232111313
>>
B331133131323131133132233133313231333132233132313331333132313233313232111312
>>