C111123313121111121111331323133313331333132333133313331322231333131332321132111   >>    C11112331312111112111133132313331333133313233313331333132223133313133232113211   <<    C111123313121111121111331323133313331333132333133313331322231333131332321132113   >>      C111123313121111121111331323133313331333132333133313331322231333131332321132112   >>