C1111133313331323223313331333133313331333131133133313231333133313232223231   >>    C111113331333132322331333133313331333133313113313331323133313331323222323   <<    C1111133313331323223313331333133313331333131133133313231333133313232223233   >>      C1111133313331323223313331333133313331333131133133313231333133313232223232   >>