B331133131323131133132233133313233313231123313231323131133132313231333131121
>>
B33113313132313113313223313331323331323112331323132313113313231323133313112
<<
B331133131323131133132233133313233313231123313231323131133132313231333131123
>>
B331133131323131133132233133313233313231123313231323131133132313231333131122
>>