C31231211111133131211113313331333132233133313331333132333131121131233131   >>    C3123121111113313121111331333133313223313331333133313233313112113123313   <<    C31231211111133131211113313331333132233133313331333132333131121131233133   >>      C31231211111133131211113313331333132233133313331333132333131121131233132   >>