B331133131323131133132233133313231333132313331323331333131133133313112221311
>>
B33113313132313113313223313331323133313231333132333133313113313331311222131
<<
B331133131323131133132233133313231333132313331323331333131133133313112221313
>>
B331133131323131133132233133313231333132313331323331333131133133313112221312
>>