C1111233133313231133133313331333133311221123121111331333133312133221   >>    C111123313331323113313331333133313331122112312111133133313331213322   <<    C1111233133313231133133313331333133311221123121111331333133312133223   >>      C1111233133313231133133313331333133311221123121111331333133312133222   >>