C132233133112121111331333133313231333132333131212121111331322233231   >>    C13223313311212111133133313331323133313233313121212111133132223323   <<    C132233133112121111331333133313231333132333131212121111331322233233   >>      C132233133112121111331333133313231333132333131212121111331322233232   >>