C132233133112121111331333133313231333132333131211113313221212131   >>    C13223313311212111133133313331323133313233313121111331322121213   <<    C132233133112121111331333133313231333132333131211113313221212133   >>      C132233133112121111331333133313231333132333131211113313221212132   >>