C11112331312111112111133133313331333132323213331333133313112331313231323131   >>    C1111233131211111211113313331333133313232321333133313331311233131323132313   <<    C11112331312111112111133133313331333132323213331333133313112331313231323133   >>      C11112331312111112111133133313331333132323213331333133313112331313231323132   >>