int mapTest[][5] = {
/*// expand. for now we assume 0 is not significant
  {0, 0, 100, 0, 1023},
  {1, 0, 100, 0, 1023},
  {99, 0, 100, 0, 1023},
  {100, 0, 100, 0, 1023},


// expand + flip. same benefit
  {0, 100, 0, 0, 1023},
  {1, 100, 0, 0, 1023},
  {99, 100, 0, 0, 1023},
  {100, 100, 0, 0, 1023},
*/

// shrink
  {0, 0, 900, 0, 60},

  {1, 0, 900, 0, 60},
  {7, 0, 900, 0, 60},
  {16, 0, 900, 0, 60},


  {884, 0, 900, 0, 60},
  {893, 0, 900, 0, 60},
  {899, 0, 900, 0, 60},

  {900, 0, 900, 0, 60},

// 

  {0, 0, 900, 0, 61},

  {1, 0, 900, 0, 61},
  {7, 0, 900, 0, 61},
  {16, 0, 900, 0, 61},


  {884, 0, 900, 0, 61},
  {893, 0, 900, 0, 61},
  {899, 0, 900, 0, 61},

  {900, 0, 900, 0, 61},


/*
  {101, 100, 300, 0, 100},
  {102, 100, 300, 0, 100},
  {103, 100, 300, 0, 100},
  {297, 100, 300, 0, 100},
  {298, 100, 300, 0, 100},
  {299, 100, 300, 0, 100},
  {300, 100, 300, 0, 100},

// shrink + flip
  {100, 100, 300, 100, 0},
  {101, 100, 300, 100, 0},
  {102, 100, 300, 100, 0},
  {103, 100, 300, 100, 0},
  {297, 100, 300, 100, 0},
  {298, 100, 300, 100, 0},
  {299, 100, 300, 100, 0},
  {300, 100, 300, 100, 0},
*/
};

const int wtf = sizeof mapTest / sizeof mapTest[0];

void setup()
{
  Serial.begin(115200); Serial.println("first things first\n");

  for (int ii = 0; ii < wtf; ii++) {

  Serial.print("map(");
  Serial.print(mapTest[ii][0]); Serial.print(", ");
  Serial.print(mapTest[ii][1]); Serial.print(", ");
  Serial.print(mapTest[ii][2]); Serial.print(", ");
  Serial.print(mapTest[ii][3]); Serial.print(", ");
  Serial.print(mapTest[ii][4]); Serial.print(") == ");
  
  long int x = map(mapTest[ii][0], mapTest[ii][1], mapTest[ii][2], mapTest[ii][3], mapTest[ii][4]);

  Serial.println(x);


  }
  for (; ; );
}

void loop() {}