B331133131323131133132233133313231323132333133313113313232332313232211
>>
B33113313132313113313223313331323132313233313331311331323233231323221
<<
B331133131323131133132233133313231323132333133313113313232332313232213
>>
B331133131323131133132233133313231323132333133313113313232332313232212
>>