C1111133313331323223313331333133313231333132332131333132313331311211313121   >>    C111113331333132322331333133313331323133313233213133313231333131121131312   <<    C1111133313331323223313331333133313231333132332131333132313331311211313123   >>      C1111133313331323223313331333133313231333132332131333132313331311211313122   >>