C111123313121111121111331323133313331333132333133313331322121211   >>    C11112331312111112111133132313331333133313233313331333132212121   <<    C111123313121111121111331323133313331333132333133313331322121213   >>      C111123313121111121111331323133313331333132333133313331322121212   >>