C132233133112121111331333133313231333132333131211111211113313132233231   >>    C13223313311212111133133313331323133313233313121111121111331313223323   <<    C132233133112121111331333133313231333132333131211111211113313132233233   >>      C132233133112121111331333133313231333132333131211111211113313132233232   >>