C31231211111133131211113313331333133312111133133313331333133313231333132233111   >>    C3123121111113313121111331333133313331211113313331333133313331323133313223311   <<    C31231211111133131211113313331333133312111133133313331333133313231333132233113   >>      C31231211111133131211113313331333133312111133133313331333133313231333132233112   >>