C1212132133313223313232332313233313233313232321323231323132313231311   >>    C121213213331322331323233231323331323331323232132323132313231323131   <<    C1212132133313223313232332313233313233313232321323231323132313231313   >>      C1212132133313223313232332313233313233313232321323231323132313231312   >>