B331133131323131133132233133313231333132233132313331333131133131332131211
>>
B33113313132313113313223313331323133313223313231333133313113313133213121
<<
B331133131323131133132233133313231333132233132313331333131133131332131213
>>
B331133131323131133132233133313231333132233132313331333131133131332131212
>>