C1111133313331323223313331333133313231333132332131333132313311231   >>    C111113331333132322331333133313331323133313233213133313231331123   <<    C1111133313331323223313331333133313231333132332131333132313311233   >>      C1111133313331323223313331333133313231333132332131333132313311232   >>