C1212132133313223313232332313233313233313232321323231323132313231322131   >>    C121213213331322331323233231323331323331323232132323132313231323132213   <<    C1212132133313223313232332313233313233313232321323231323132313231322133   >>      C1212132133313223313232332313233313233313232321323231323132313231322132   >>