C1111233133313231133133313331333133313231232313331333133313311223323131   >>    C111123313331323113313331333133313331323123231333133313331331122332313   <<    C1111233133313231133133313331333133313231232313331333133313311223323133   >>      C1111233133313231133133313331333133313231232313331333133313311223323132   >>