X434,
    X435,
    X436,
    X437,
    X438,
    X439,
    X440,
    X441,
    X442,
    X443,
    X444,
    X445,
    X446,
    X447,
    X448,
    X449,
    X450,
    X451,
    X452,
    X453,
    X454,
    X455,
    X456,
    X457,
    X458,
    X459,
    X460,
    X461,
    X462,
    X463,
    X464,
    X465,
    X466,

    X434,
    X435,
    X436,
    X437,
    X438,
    X439,
    X440,
    X441,
    X442,
    X443,
    X444,
    X445,
    X446,
    X447,
    X448,
    X449,
    X450,
    X451,
    X452,
    X453,
    X454,
    X455,
    X456,
    X457,
    X458,
    X459,
    X460,
    X461,
    X462,
    X463,
    X464,
    X465,
    X466,

 * flightNetwork.addEdge("ATL", "LAX", 2450);
 *
 * // Building a immutable network
 * ImmutableNetwork<String, Integer> immutableNetwork =
 *     NetworkBuilder.directed()
 *         .allowsParallelEdges(true)
 *         .<String, Integer>immutable()
 *         .addEdge("LAX", "ATL", 3025)
 *         .addEdge("LAX", "ATL", 1598)
 *         .addEdge("ATL", "LAX", 2450)
 *         .build();
 * }</pre>
 *

    limiter.acquire(); // #4, we repay the debt of the last acquire (imposed by the old rate)
    for (int i = 0; i < 4; i++) {
      limiter.acquire(); // #5
    }
    stopwatch.sleepMillis(4250); // #6, back to cold state (warmup period + repay last acquire)
    for (int i = 0; i < 11; i++) {
      limiter.acquire(); // #7, showing off the warmup starting from totally cold
    }

            54736, 21519, 770, 36174, 28609, 2873, 9635, 9122, 32033, 462, 4250, 8361, 25458, 3463,
            39912, 2722, 48596, 35876, 32957, 52740, 22778, 36943, 27774, 29471, 32880, 2947, 4168,
            971, 20432, 29557, 22438, 30420, 21971, 51094, 28037, 34914, 52656, 3522, 4824, 25722,
            4962, 10070, 20885, 51086, 4617, 47105, 32629, 4650, 59011, 31607, 24458, 22764, 45805,

    limiter.acquire(); // #4, we repay the debt of the last acquire (imposed by the old rate)
    for (int i = 0; i < 4; i++) {
      limiter.acquire(); // #5
    }
    stopwatch.sleepMillis(4250); // #6, back to cold state (warmup period + repay last acquire)
    for (int i = 0; i < 11; i++) {
      limiter.acquire(); // #7, showing off the warmup starting from totally cold
    }

          +
          // The possible number of two byte characters
          TWO_BYTE_ROUNDTRIPPABLE_CHARACTERS;

  // 2048
  private static final long THREE_BYTE_SURROGATES = 2 * 1024;

  // 61,440 [chars 0x0800 to 0xFFFF, minus surrogates]
  private static final long THREE_BYTE_ROUNDTRIPPABLE_CHARACTERS =
      0xFFFF - 0x0800 + 1 - THREE_BYTE_SURROGATES;

  // 2,650,112

            54736, 21519, 770, 36174, 28609, 2873, 9635, 9122, 32033, 462, 4250, 8361, 25458, 3463,
            39912, 2722, 48596, 35876, 32957, 52740, 22778, 36943, 27774, 29471, 32880, 2947, 4168,
            971, 20432, 29557, 22438, 30420, 21971, 51094, 28037, 34914, 52656, 3522, 4824, 25722,
            4962, 10070, 20885, 51086, 4617, 47105, 32629, 4650, 59011, 31607, 24458, 22764, 45805,