C1111233133313231133133313331333133313231121333133313331323132333133313211   >>    C111123313331323113313331333133313331323112133313331333132313233313331321   <<    C1111233133313231133133313331333133313231121333133313331323132333133313213   >>      C1111233133313231133133313331333133313231121333133313331323132333133313212   >>