C31231211111133131211113313331333132233133313331312111133132212323231   >>    C3123121111113313121111331333133313223313331333131211113313221232323   <<    C31231211111133131211113313331333132233133313331312111133132212323233   >>      C31231211111133131211113313331333132233133313331312111133132212323232   >>