C11111333133313232233133313331333132313331323321313331333132233132313113231   >>    C1111133313331323223313331333133313231333132332131333133313223313231311323   <<    C11111333133313232233133313331333132313331323321313331333132233132313113233   >>      C11111333133313232233133313331333132313331323321313331333132233132313113232   >>