int8_t fullSquare7[256] = {
  0, 1, 3, 5, 7, 8, 10, 11,
  12, 13, 14, 15, 15, 15, 15, 16,
  16, 16, 16, 16, 16, 16, 16, 17,
  17, 18, 19, 20, 21, 23, 24, 26,
  28, 30, 32, 34, 36, 38, 39, 41,
  43, 44, 45, 46, 47, 47, 48, 48,
  48, 48, 48, 48, 48, 47, 47, 47,
  47, 47, 48, 49, 50, 51, 52, 54,
  55, 57, 60, 62, 64, 66, 69, 71,
  73, 75, 77, 79, 80, 81, 82, 82,
  82, 82, 82, 81, 80, 80, 79, 78,
  77, 76, 75, 75, 75, 76, 76, 78,
  79, 81, 84, 87, 90, 94, 98, 102,
  106, 110, 114, 117, 121, 123, 125, 127,
  127, 127, 125, 122, 119, 114, 108, 101,
  93, 84, 74, 63, 51, 39, 26, 13,
  0, -14, -27, -40, -52, -64, -75, -85,
  -94, -102, -109, -115, -120, -123, -126, -128,
  -128, -128, -126, -124, -122, -118, -115, -111,
  -107, -103, -99, -95, -91, -88, -85, -82,
  -80, -79, -77, -77, -76, -76, -76, -77,
  -78, -79, -80, -81, -81, -82, -83, -83,
  -83, -83, -83, -82, -81, -80, -78, -76,
  -74, -72, -70, -67, -65, -63, -61, -58,
  -56, -55, -53, -52, -51, -50, -49, -48,
  -48, -48, -48, -48, -49, -49, -49, -49,
  -49, -49, -49, -48, -48, -47, -46, -45,
  -44, -42, -40, -39, -37, -35, -33, -31,
  -29, -27, -25, -24, -22, -21, -20, -19,
  -18, -18, -17, -17, -17, -17, -17, -17,
  -17, -17, -16, -16, -16, -16, -15, -14,
  -13, -12, -11, -9, -8, -6, -4, -2
};