B331133131323131133132233133313231333132313331323331333133313332211211
>>
B33113313132313113313223313331323133313231333132333133313331333221121
<<
B331133131323131133132233133313231333132313331323331333133313332211213
>>
B331133131323131133132233133313231333132313331323331333133313332211212
>>