Teensy 3.5 Octo2811 lib - second LED bug

#include<SD.h>
#include <SPI.h>
#include <OctoWS2811.h>

//Frame settings
unsigned char fps = 1;
unsigned long frameTime = 1000 / fps;

//SD_Card:
#define fileName "myanim.dat"
File file;
const int chipSelect = BUILTIN_SDCARD;

// OctoWS2811 settings
const int ledsPerStrip = 529; // change for your setup
const byte numStrips= 1; // change for your setup
const int numLeds = ledsPerStrip * numStrips;
const int numberOfChannels = numLeds * 3; // Total number of channels you want to receive (1 led = 3 channels)
DMAMEM int displayMemory[ledsPerStrip*6];
int drawingMemory[ledsPerStrip*6];
const int config = WS2811_GRB | WS2813_800kHz;
OctoWS2811 leds(ledsPerStrip, displayMemory, drawingMemory, config);


char red = 0;
char green = 0;
char blue = 0;
bool dirRed = 1;
bool dirGreen = 0;
bool dirBlue= 0;



void setup()
{
  Serial.begin(9600);
  while(!Serial){
    ; // wait for serial port to connect.
  }
  
  Serial.print("\n Initializing SD card...");
  if(!SD.begin(chipSelect)){
    Serial.print("initialization failed!");
    return;
  }
  Serial.println("initalization done.");

  //init led-prog and test connected strips
  leds.begin();
  initTest();

  delay(2000);
}

void loop()
{
  for (int i = 0; i<numLeds; i++){
    leds.setPixel(i, red, green, blue);
  }
  [COLOR="#B22222"]leds.setPixel(2, 177, 0, 177);  // <-- second LED lights too[/COLOR]
  [COLOR="#B22222"]leds.setPixel(1, 177, 0, 177);  // <-- no reaction of LED 1, always goes with LED 2[/COLOR]
  leds.show();
  incColor();
  delay(50);
}

void incColor(){
  if (dirRed){
    red++;
    if (red == 80) dirRed = 0;
  } else {
    red--;
    if (red == 0) dirRed = 1;
  }
}

void getNextFrame(){
  unsigned char color[3];
  
  //open file
  file = SD.open(fileName, FILE_READ);
  for(unsigned int i = 0; i < ledsPerStrip; i++){
      file.read(color, 3);
      Serial.print("Pixel: ");
      Serial.println(i, DEC);
      Serial.print("RED...");
      Serial.println(color[0], HEX);
      
      Serial.print("GREEN...");
      Serial.println(color[1], HEX);
      
      Serial.print("BLUE...");
      Serial.println(color[2], HEX);
      Serial.println(" ");
      leds.setPixel(i, color[0], color[1], color[2]);
  }
  Serial.println(file.position(), 10);
  file.close();
 // leds.show();
}

void initTest()
{
  for (int i = 0 ; i < numLeds ; i++)
    leds.setPixel(i, 80, 0, 0);
  leds.show();
  delay(500);
  for (int i = 0 ; i < numLeds  ; i++)
    leds.setPixel(i, 0, 80, 0);
  leds.show();
  delay(500);
  for (int i = 0 ; i < numLeds  ; i++)
    leds.setPixel(i, 0, 0, 80);
  leds.show();
  delay(500);
  for (int i = 0 ; i < numLeds  ; i++)
    leds.setPixel(i, 0, 0, 0);
  leds.show();
}

const int ledsPerStrip = 10;

#include <OctoWS2811.h>


// OctoWS2811 settings
const int ledsPerStrip = 10;
DMAMEM int displayMemory[ledsPerStrip*6];
int drawingMemory[ledsPerStrip*6];
const int config = WS2811_GRB | WS2811_800kHz;
OctoWS2811 leds(ledsPerStrip, displayMemory, drawingMemory, config);


void setup() {
  leds.begin();

  [COLOR="#B22222"]leds.setPixel(1, 177, 0, 0);  //<- LED no. 1 has the same color as no. 2!
  leds.setPixel(2, 0, 0, 177);[/COLOR]

  leds.show();
  delay(1000);

  leds.setPixel(1, 0xb1, 0, 0);  //<- same result with hex-format
  leds.setPixel(2, 0, 0, 0xb1);
  
  leds.show();
  delay(1000);

  //changing order
  leds.setPixel(2, 0, 0, 0xb1);
  leds.setPixel(1, 0xb1, 0, 0);  //<- same result with another order

  leds.show();
  
}

void loop() {
  //nop;
}