C132233133112121111331333133313331323331333133313232223131121221   >>    C13223313311212111133133313331333132333133313331323222313112122   <<    C132233133112121111331333133313331323331333133313232223131121223   >>      C132233133112121111331333133313331323331333133313232223131121222   >>