C31231211111133131211113313331333132233133313331312111133132211323131   >>    C3123121111113313121111331333133313223313331333131211113313221132313   <<    C31231211111133131211113313331333132233133313331312111133132211323133   >>      C31231211111133131211113313331333132233133313331312111133132211323132   >>