B331133131323131133132233133313233313132313231323133313331323331311131111
>>
B33113313132313113313223313331323331313231323132313331333132333131113111
<<
B331133131323131133132233133313233313132313231323133313331323331311131113
>>
B331133131323131133132233133313233313132313231323133313331323331311131112
>>