1️⃣ 2️⃣ 0️⃣ 3️⃣ 4️⃣ 5️⃣ 6️⃣ 7️⃣ 8️⃣xxxxx

---

1181 ← → 1188

1187 AN In caelestibus regnis --- alleluiaModus 7

1181 ⟽ AN 7 ⟾ 1201 xxxxx ⏹️ ↘️