C132233133112121111331333133313331323331333133313231333121111122332221   >>    C13223313311212111133133313331333132333133313331323133312111112233222   <<    C132233133112121111331333133313331323331333133313231333121111122332223   >>      C132233133112121111331333133313331323331333133313231333121111122332222   >>