private long[] numbersToIntArray(String numbersStr) {
    String[] numbers = numbersStr.trim().split(" ");
    long[] result = new long[numbers.length];
 
    for (int i = 0; i < numbers.length; i++) {
        result[i] = Long.parseLong(numbers[i]);
    }
 
    return result;
}
 
private long getMapping(ArrayList<long[]> map, long input) {
    for (long[] line : map) {
        if (input >= line[1] && input < line[1] + line[2]) {
            return line[0] + (input - line[1]);
        }
    }
    return input;
}
 
public long partOne() {
 
    long[] seeds = numbersToIntArray(inputLines.get(0).split(":")[1]);
    ArrayList<ArrayList<long[]>> allMaps = new ArrayList<ArrayList<long[]>>();
    ArrayList<long[]> map = new ArrayList<long[]>();
 
    for (int l = 2; l < inputLines.size(); l++) {
        String line = inputLines.get(l);
 
        if (line.length() <= 1) {
            allMaps.add(map);
            continue;
        }
 
        if (line.contains(":")) {
            map = new ArrayList<long[]>();
            continue;
        }
 
        map.add(numbersToIntArray(line));
 
    }
    // add last map to allMaps
    allMaps.add(map);
 
    ArrayList<Long> seedResults = new ArrayList<Long>();
    for (long seed : seeds) {
        for (int mapCount = 0; mapCount < allMaps.size(); mapCount++) {
            seed = getMapping(allMaps.get(mapCount), seed);
        }
        seedResults.add(seed);
    }
 
    long smallest = seedResults.get(0);
    for (int i = 1; i < seedResults.size(); i++) {
        if (seedResults.get(i) < smallest) {
            smallest = seedResults.get(i);
        }
    }
 
    return smallest;
}