B331133131323131133132233133313233313132313231323133313133313231333131212112121
>>
B33113313132313113313223313331323331313231323132313331313331323133313121211212
<<
B331133131323131133132233133313233313132313231323133313133313231333131212112123
>>
B331133131323131133132233133313233313132313231323133313133313231333131212112122
>>