=== SAVED CAST: echo_13_s81 ===
Normalized points: 64
Raw points: N/A

--- NORMALIZED STROKE POINTS (x, y in [0,1], top-left origin) ---
  [ 0]  (0.7095, 0.2107)
  [ 1]  (0.7271, 0.4098)
  [ 2]  (0.7433, 0.6090)
  [ 3]  (0.7664, 0.8076)
  [ 4]  (0.6930, 0.9292)
  [ 5]  (0.4930, 0.9311)
  [ 6]  (0.2935, 0.9436)
  [ 7]  (0.1073, 0.9305)
  [ 8]  (0.7095, 0.3897)
  [ 9]  (0.7635, 0.4193)
  [10]  (0.8123, 0.4586)
  [11]  (0.7724, 0.5029)
  [12]  (0.7137, 0.4825)
  [13]  (0.6846, 0.4500)
  [14]  (0.7153, 0.3953)
  [15]  (0.7678, 0.3779)
  [16]  (0.7095, 1.0000)
  [17]  (0.7500, 0.8965)
  [18]  (0.7757, 0.7884)
  [19]  (0.7854, 0.6782)
  [20]  (0.7887, 0.5671)
  [21]  (0.7938, 0.4561)
  [22]  (0.7978, 0.3450)
  [23]  (0.7990, 0.2339)
  [24]  (0.7095, 0.0000)
  [25]  (0.7676, 0.0174)
  [26]  (0.7866, 0.0643)
  [27]  (0.7353, 0.1035)
  [28]  (0.6828, 0.0982)
  [29]  (0.6935, 0.0346)
  [30]  (0.7551, 0.0260)
  [31]  (0.8109, 0.0469)
  [32]  (0.7095, 0.8286)
  [33]  (0.7132, 0.7682)
  [34]  (0.7144, 0.7078)
  [35]  (0.7155, 0.6473)
  [36]  (0.7166, 0.5868)
  [37]  (0.7169, 0.5263)
  [38]  (0.7152, 0.4658)
  [39]  (0.7135, 0.4053)
  [40]  (0.7095, 0.2921)
  [41]  (0.6557, 0.2922)
  [42]  (0.6019, 0.2922)
  [43]  (0.5482, 0.2918)
  [44]  (0.4944, 0.2902)
  [45]  (0.4407, 0.2885)
  [46]  (0.3869, 0.2869)
  [47]  (0.3331, 0.2852)
  [48]  (0.7095, 0.1522)
  [49]  (0.6592, 0.1481)
  [50]  (0.6089, 0.1442)
  [51]  (0.5585, 0.1417)
  [52]  (0.5081, 0.1393)
  [53]  (0.4578, 0.1368)
  [54]  (0.4074, 0.1344)
  [55]  (0.3570, 0.1320)
  [56]  (0.7095, 0.7999)
  [57]  (0.6246, 0.7056)
  [58]  (0.5543, 0.6007)
  [59]  (0.5161, 0.4836)
  [60]  (0.5310, 0.3587)
  [61]  (0.6394, 0.3334)
  [62]  (0.7662, 0.3386)
  [63]  (0.8927, 0.3471)

--- KEY VERTICES (corners with angle < 120 degrees) ---
  V0  (0.7664, 0.8076)  angle=37.8 deg
  V1  (0.6930, 0.9292)  angle=58.3 deg
  V2  (0.1073, 0.9305)  angle=134.1 deg
  V3  (0.7095, 0.3897)  angle=70.7 deg
  V4  (0.8123, 0.4586)  angle=93.2 deg
  V5  (0.7724, 0.5029)  angle=67.1 deg
  V6  (0.6846, 0.4500)  angle=71.1 deg
  V7  (0.7153, 0.3953)  angle=42.4 deg
  V8  (0.7678, 0.3779)  angle=113.6 deg
  V9  (0.7095, 1.0000)  angle=164.0 deg
  V10  (0.7095, 0.0000)  angle=127.7 deg
  V11  (0.7676, 0.0174)  angle=51.3 deg
  V12  (0.7866, 0.0643)  angle=74.6 deg
  V13  (0.7353, 0.1035)  angle=43.2 deg
  V14  (0.6828, 0.0982)  angle=93.8 deg
  V15  (0.6935, 0.0346)  angle=72.5 deg
  V16  (0.8109, 0.0469)  angle=76.9 deg
  V17  (0.7095, 0.8286)  angle=176.1 deg
  V18  (0.7095, 0.2921)  angle=88.1 deg
  V19  (0.3331, 0.2852)  angle=158.8 deg
  V20  (0.7095, 0.1522)  angle=155.8 deg
  V21  (0.3570, 0.1320)  angle=120.6 deg
  V22  (0.7095, 0.7999)  angle=165.8 deg
  V23  (0.5310, 0.3587)  angle=70.0 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
    }
),
