C1111233133313231133133313331333133313231323331333133313112223331   >>    C111123313331323113313331333133313331323132333133313331311222333   <<    C1111233133313231133133313331333133313231323331333133313112223333   >>      C1111233133313231133133313331333133313231323331333133313112223332   >>