C1111233133313231133133313331333133313231232313331333133311213221   >>    C111123313331323113313331333133313331323123231333133313331121322   <<    C1111233133313231133133313331333133313231232313331333133311213223   >>      C1111233133313231133133313331333133313231232313331333133311213222   >>