=== SAVED CAST: o_3 ===
Normalized points: 64
Raw points: 16

--- NORMALIZED STROKE POINTS (x, y in [0,1], top-left origin) ---
  [ 0]  (0.8340, 0.0895)
  [ 1]  (0.8093, 0.0780)
  [ 2]  (0.7847, 0.0664)
  [ 3]  (0.7579, 0.0618)
  [ 4]  (0.7311, 0.0574)
  [ 5]  (0.7043, 0.0530)
  [ 6]  (0.6774, 0.0486)
  [ 7]  (0.6506, 0.0442)
  [ 8]  (0.6237, 0.0398)
  [ 9]  (0.5969, 0.0354)
  [10]  (0.5701, 0.0310)
  [11]  (0.5432, 0.0266)
  [12]  (0.5164, 0.0222)
  [13]  (0.4896, 0.0178)
  [14]  (0.4627, 0.0134)
  [15]  (0.4358, 0.0096)
  [16]  (0.4088, 0.0066)
  [17]  (0.3817, 0.0037)
  [18]  (0.3547, 0.0008)
  [19]  (0.3277, 0.0000)
  [20]  (0.3009, 0.0045)
  [21]  (0.2748, 0.0119)
  [22]  (0.2494, 0.0214)
  [23]  (0.2239, 0.0310)
  [24]  (0.1985, 0.0406)
  [25]  (0.1730, 0.0502)
  [26]  (0.1660, 0.0683)
  [27]  (0.1752, 0.0940)
  [28]  (0.1843, 0.1196)
  [29]  (0.1934, 0.1452)
  [30]  (0.2025, 0.1708)
  [31]  (0.2116, 0.1965)
  [32]  (0.2208, 0.2221)
  [33]  (0.2299, 0.2477)
  [34]  (0.2390, 0.2733)
  [35]  (0.2484, 0.2989)
  [36]  (0.2577, 0.3244)
  [37]  (0.2670, 0.3500)
  [38]  (0.2763, 0.3755)
  [39]  (0.2856, 0.4011)
  [40]  (0.2949, 0.4266)
  [41]  (0.3043, 0.4522)
  [42]  (0.3136, 0.4777)
  [43]  (0.3229, 0.5033)
  [44]  (0.3322, 0.5288)
  [45]  (0.3415, 0.5544)
  [46]  (0.3509, 0.5799)
  [47]  (0.3602, 0.6055)
  [48]  (0.3695, 0.6310)
  [49]  (0.3788, 0.6566)
  [50]  (0.3898, 0.6814)
  [51]  (0.4015, 0.7060)
  [52]  (0.4132, 0.7305)
  [53]  (0.4249, 0.7551)
  [54]  (0.4366, 0.7796)
  [55]  (0.4483, 0.8042)
  [56]  (0.4600, 0.8287)
  [57]  (0.4717, 0.8533)
  [58]  (0.4834, 0.8778)
  [59]  (0.4951, 0.9024)
  [60]  (0.5069, 0.9269)
  [61]  (0.5189, 0.9513)
  [62]  (0.5310, 0.9756)
  [63]  (0.5431, 1.0000)

--- KEY VERTICES (corners with angle < 120 degrees) ---
  V0  (0.1730, 0.0502)  angle=48.4 deg
  V1  (0.1660, 0.0683)  angle=40.6 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
    }
),
