C1111133313331323223313331333133313231333132332131333133313232223323231   >>    C111113331333132322331333133313331323133313233213133313331323222332323   <<    C1111133313331323223313331333133313231333132332131333133313232223323233   >>      C1111133313331323223313331333133313231333132332131333133313232223323232   >>