C1111233133313231133133313331333133313231121333133313331211111311332131   >>    C111123313331323113313331333133313331323112133313331333121111131133213   <<    C1111233133313231133133313331333133313231121333133313331211111311332133   >>      C1111233133313231133133313331333133313231121333133313331211111311332132   >>