C3123121111331312121111331333133313331333121333133313311221111233131   >>    C312312111133131212111133133313331333133312133313331331122111123313   <<    C3123121111331312121111331333133313331333121333133313311221111233133   >>      C3123121111331312121111331333133313331333121333133313311221111233132   >>