B331133131323131133132233133313231323132333133313133313231323233231111
>>
B33113313132313113313223313331323132313233313331313331323132323323111
<<
B331133131323131133132233133313231323132333133313133313231323233231113
>>
B331133131323131133132233133313231323132333133313133313231323233231112
>>