C1111233133313231133133313331333133313231232313331333133313311233133322231   >>    C111123313331323113313331333133313331323123231333133313331331123313332223   <<    C1111233133313231133133313331333133313231232313331333133313311233133322233   >>      C1111233133313231133133313331333133313231232313331333133313311233133322232   >>