B331133131323131133132233133313231333132233132313331333132313221121111
>>
B33113313132313113313223313331323133313223313231333133313231322112111
<<
B331133131323131133132233133313231333132233132313331333132313221121113
>>
B331133131323131133132233133313231333132233132313331333132313221121112
>>