case        sūrahs                        page mod19  holds  recited  signA  signG
A-L-M       2,3,29,30,31,32              19297    12      ✗        —      S      S
A-L-M-Ṣ     7                             5139     9      ✗     5138      ·      S
A-L-R       10,11,12,14,15                9148     9      ✗        —      S      S
A-L-M-R     13                            1437    12      ✗        —      S      S
K-H-Y-ʿA-Ṣ  19                             798     0      ✓        —      ·      ·
Ṭ-H         20                             279    13      ✗        —      ·      ·
Ṭ-S-M       26,28                         1192    14      ✗        —      S      S
Ṭ-S         27                             121     7      ✗        —      S      S
Y-S         36                             285     0      ✓        —      ·      ·
Ṣ           38                              29    10      ✗        —      ·      ·
Ḥ-M         40,41,42,43,44,45,46          2147     0      ✓        —      ·      ·
ʿA-S-Q      42                             209     0      ✓        —      ·      ·
Q           50                              57     0      ✓        —      ·      ·
N           68                             132    18      ✗      133      ·      ·

Ḥ-M without 42: 1794 (mod 19 = 8)

holds: 5 of 14; binomial tail P(X>=5 | n=14, p=1/19) = 0.0005412 (1 in 1848)
letter-group rule: sign hold/fail = 0/6; non-sign hold/fail = 5/3; Fisher one-tailed = 0.02797 (1 in 36)
formula-only rule: sign hold/fail = 0/5; non-sign hold/fail = 5/4; Fisher one-tailed = 0.06294 (1 in 16)