C11112331312111112111133133313331333132313331323133313331333133313231232322331   >>    C1111233131211111211113313331333133313231333132313331333133313331323123232233   <<    C11112331312111112111133133313331333132313331323133313331333133313231232322333   >>      C11112331312111112111133133313331333132313331323133313331333133313231232322332   >>