C1111133313331323223313331333133313231333132332131333132313332223321   >>    C111113331333132322331333133313331323133313233213133313231333222332   <<    C1111133313331323223313331333133313231333132332131333132313332223323   >>      C1111133313331323223313331333133313231333132332131333132313332223322   >>