C11111333133313232233133313331333132313331323321313331311223231   >>    C1111133313331323223313331333133313231333132332131333131122323   <<    C11111333133313232233133313331333132313331323321313331311223233   >>      C11111333133313232233133313331333132313331323321313331311223232   >>