{"NBSW", "Y3DP", "O5XX", "E3DE"},
			{"NBSWY3DPO5XXE3DE"},
			{"NBS", "WY3", "DPO", "5XX", "E3D", "E"},
			{"NBSWY3DPO5XXE3", "DE"},
		}, nil},

		// MZXW6YTB = fooba
		{"fooba", [][]string{
			{"MZXW6YTBZZ"},
			{"MZXW6YTBZ", "Z"},
			{"MZXW6YTB", "ZZ"},
			{"MZXW6YT", "BZZ"},
			{"MZXW6Y", "TBZZ"},
			{"MZXW6Y", "TB", "ZZ"},
			{"MZXW6", "YTBZZ"},
			{"MZXW6", "YTB", "ZZ"},
			{"MZXW6", "YT", "BZZ"},

    testEncodingWithCasing(base32(), "fo", "MZXQ====");
    testEncodingWithCasing(base32(), "foo", "MZXW6===");
    testEncodingWithCasing(base32(), "foob", "MZXW6YQ=");
    testEncodingWithCasing(base32(), "fooba", "MZXW6YTB");
    testEncodingWithCasing(base32(), "foobar", "MZXW6YTBOI======");
  }

  @GwtIncompatible // Reader/Writer
  public void testBase32Streaming() throws IOException {