C1111233133313231133133313331333133311221123121111331333133313331322122221   >>    C111123313331323113313331333133313331122112312111133133313331333132212222   <<    C1111233133313231133133313331333133311221123121111331333133313331322122223   >>      C1111233133313231133133313331333133311221123121111331333133313331322122222   >>