C121212123112323223313132322331323133313232213331323331323323231   >>    C12121212311232322331313232233132313331323221333132333132332323   <<    C121212123112323223313132322331323133313232213331323331323323233   >>      C121212123112323223313132322331323133313232213331323331323323232   >>