=== SAVED CAST: echo_16_s81 ===
Normalized points: 64
Raw points: N/A

--- NORMALIZED STROKE POINTS (x, y in [0,1], top-left origin) ---
  [ 0]  (0.7289, 0.1078)
  [ 1]  (0.7612, 0.3210)
  [ 2]  (0.7978, 0.5336)
  [ 3]  (0.8299, 0.7468)
  [ 4]  (0.7237, 0.8517)
  [ 5]  (0.5080, 0.8527)
  [ 6]  (0.2923, 0.8509)
  [ 7]  (0.0766, 0.8491)
  [ 8]  (0.7289, 0.2226)
  [ 9]  (0.8555, 0.2804)
  [10]  (0.9234, 0.3717)
  [11]  (0.8883, 0.4778)
  [12]  (0.7561, 0.4346)
  [13]  (0.6906, 0.3682)
  [14]  (0.7678, 0.2525)
  [15]  (0.9060, 0.2569)
  [16]  (0.7289, 1.0000)
  [17]  (0.7153, 0.9156)
  [18]  (0.7066, 0.8306)
  [19]  (0.6994, 0.7454)
  [20]  (0.6923, 0.6602)
  [21]  (0.6942, 0.5752)
  [22]  (0.7031, 0.4901)
  [23]  (0.7119, 0.4051)
  [24]  (0.7289, 0.0099)
  [25]  (0.7882, 0.0658)
  [26]  (0.7910, 0.1294)
  [27]  (0.7463, 0.1919)
  [28]  (0.6704, 0.1623)
  [29]  (0.6887, 0.1115)
  [30]  (0.7447, 0.0522)
  [31]  (0.8203, 0.0386)
  [32]  (0.7289, 0.9707)
  [33]  (0.7289, 0.8801)
  [34]  (0.7289, 0.7894)
  [35]  (0.7289, 0.6988)
  [36]  (0.7289, 0.6082)
  [37]  (0.7289, 0.5176)
  [38]  (0.7289, 0.4269)
  [39]  (0.7405, 0.3372)
  [40]  (0.7289, 0.3083)
  [41]  (0.6431, 0.3311)
  [42]  (0.5552, 0.3372)
  [43]  (0.4665, 0.3371)
  [44]  (0.3777, 0.3358)
  [45]  (0.2890, 0.3342)
  [46]  (0.2003, 0.3325)
  [47]  (0.1116, 0.3309)
  [48]  (0.7289, 0.0332)
  [49]  (0.6480, 0.0316)
  [50]  (0.5672, 0.0300)
  [51]  (0.4863, 0.0284)
  [52]  (0.4054, 0.0268)
  [53]  (0.3247, 0.0222)
  [54]  (0.2446, 0.0111)
  [55]  (0.1645, 0.0000)
  [56]  (0.7289, 0.8715)
  [57]  (0.6540, 0.9048)
  [58]  (0.5563, 0.7892)
  [59]  (0.4687, 0.6667)
  [60]  (0.3988, 0.5324)
  [61]  (0.3406, 0.4034)
  [62]  (0.4879, 0.3685)
  [63]  (0.6371, 0.3881)

--- KEY VERTICES (corners with angle < 120 degrees) ---
  V0  (0.8299, 0.7468)  angle=53.9 deg
  V1  (0.7237, 0.8517)  angle=44.4 deg
  V2  (0.0766, 0.8491)  angle=135.7 deg
  V3  (0.7289, 0.2226)  angle=68.4 deg
  V4  (0.9234, 0.3717)  angle=54.9 deg
  V5  (0.8883, 0.4778)  angle=89.8 deg
  V6  (0.6906, 0.3682)  angle=78.3 deg
  V7  (0.7678, 0.2525)  angle=58.1 deg
  V8  (0.9060, 0.2569)  angle=101.6 deg
  V9  (0.7289, 1.0000)  angle=157.4 deg
  V10  (0.7289, 0.0099)  angle=130.8 deg
  V11  (0.7882, 0.0658)  angle=44.2 deg
  V12  (0.7910, 0.1294)  angle=38.1 deg
  V13  (0.7463, 0.1919)  angle=75.8 deg
  V14  (0.6704, 0.1623)  angle=88.5 deg
  V15  (0.7447, 0.0522)  angle=36.4 deg
  V16  (0.8203, 0.0386)  angle=105.8 deg
  V17  (0.7289, 0.9707)  angle=174.4 deg
  V18  (0.7289, 0.3083)  angle=83.1 deg
  V19  (0.1116, 0.3309)  angle=153.2 deg
  V20  (0.7289, 0.0332)  angle=153.1 deg
  V21  (0.1645, 0.0000)  angle=130.8 deg
  V22  (0.7289, 0.8715)  angle=98.9 deg
  V23  (0.6540, 0.9048)  angle=73.8 deg
  V24  (0.3406, 0.4034)  angle=101.0 deg

--- SUGGESTED DOT TEMPLATE FORMAT ---
// Paste into SpellGestureTracker.java getDotTemplates():
new DotTemplate(DetectedPattern.SPELL_NAME, "description",
    new double[][] {
        // pick key dots from vertices above
    },
    new int[][] {
        // define connections between dots
    }
),
