C1311213331333132332133313331333133313331333131333131121333133322121   >>    C131121333133313233213331333133313331333133313133313112133313332212   <<    C1311213331333132332133313331333133313331333131333131121333133322123   >>      C1311213331333132332133313331333133313331333131333131121333133322122   >>