C1111133313331323223313331333133313231333132332131333132313231323131113321   >>    C111113331333132322331333133313331323133313233213133313231323132313111332   <<    C1111133313331323223313331333133313231333132332131333132313231323131113323   >>      C1111133313331323223313331333133313231333132332131333132313231323131113322   >>