C31231211111133131211113313331333132233133313331333132213331323133323221   >>    C3123121111113313121111331333133313223313331333133313221333132313332322   <<    C31231211111133131211113313331333132233133313331333132213331323133323223   >>      C31231211111133131211113313331333132233133313331333132213331323133323222   >>