C31231211111133131211113313331323133313331311233133313222331131   >>    C3123121111113313121111331333132313331333131123313331322233113   <<    C31231211111133131211113313331323133313331311233133313222331133   >>      C31231211111133131211113313331323133313331311233133313222331132   >>