C1111133313331323223313331333133313231333132332131333132313311223311   >>    C111113331333132322331333133313331323133313233213133313231331122331   <<    C1111133313331323223313331333133313231333132332131333132313311223313   >>      C1111133313331323223313331333133313231333132332131333132313311223312   >>