diff --git a/src/backend/curses/n.rs b/src/backend/curses/n.rs
index 7bcca88..e07ba71 100644
--- a/src/backend/curses/n.rs
+++ b/src/backend/curses/n.rs
@@ -162,65 +162,68 @@ impl Concrete {
 
             // Values 512 and above are probably extensions
             // Those keys don't seem to be documented...
-            520 => Event::Alt(Key::Del),
-            521 => Event::AltShift(Key::Del),
-            522 => Event::Ctrl(Key::Del),
-            523 => Event::CtrlShift(Key::Del),
-            //
-            // 524?
-            526 => Event::Alt(Key::Down),
-            527 => Event::AltShift(Key::Down),
-            528 => Event::Ctrl(Key::Down),
-            529 => Event::CtrlShift(Key::Down),
-            530 => Event::CtrlAlt(Key::Down),
+            // They often come in block of 5 bindings (A, AS, C, CS, CA)
+            522 => Event::Alt(Key::Del),
+            523 => Event::AltShift(Key::Del),
+            524 => Event::Ctrl(Key::Del),
+            525 => Event::CtrlShift(Key::Del),
+            526 => Event::CtrlAlt(Key::Del),
+            // 527?
+            528 => Event::Alt(Key::Down),
+            529 => Event::AltShift(Key::Down),
+            530 => Event::Ctrl(Key::Down),
+            531 => Event::CtrlShift(Key::Down),
+            532 => Event::CtrlAlt(Key::Down),
 
-            531 => Event::Alt(Key::End),
-            532 => Event::AltShift(Key::End),
-            533 => Event::Ctrl(Key::End),
-            534 => Event::CtrlShift(Key::End),
-            535 => Event::CtrlAlt(Key::End),
+            533 => Event::Alt(Key::End),
+            534 => Event::AltShift(Key::End),
+            535 => Event::Ctrl(Key::End),
+            536 => Event::CtrlShift(Key::End),
+            537 => Event::CtrlAlt(Key::End),
+            // 538?
 
-            536 => Event::Alt(Key::Home),
-            537 => Event::AltShift(Key::Home),
-            538 => Event::Ctrl(Key::Home),
-            539 => Event::CtrlShift(Key::Home),
-            540 => Event::CtrlAlt(Key::Home),
+            539 => Event::Alt(Key::Home),
+            540 => Event::AltShift(Key::Home),
+            541 => Event::Ctrl(Key::Home),
+            542 => Event::CtrlShift(Key::Home),
+            543 => Event::CtrlAlt(Key::Home),
+            // 544?
 
-            541 => Event::Alt(Key::Ins),
-            542 => Event::AltShift(Key::Ins),
-            543 => Event::Ctrl(Key::Ins),
-            // 544: CtrlShiftIns?
-            545 => Event::CtrlAlt(Key::Ins),
+            545 => Event::Alt(Key::Ins),
+            546 => Event::AltShift(Key::Ins),
+            547 => Event::Ctrl(Key::Ins),
+            548 => Event::CtrlShift(Key::Ins),
+            549 => Event::CtrlAlt(Key::Ins),
 
-            546 => Event::Alt(Key::Left),
-            547 => Event::AltShift(Key::Left),
-            548 => Event::Ctrl(Key::Left),
-            549 => Event::CtrlShift(Key::Left),
-            550 => Event::CtrlAlt(Key::Left),
+            550 => Event::Alt(Key::Left),
+            551 => Event::AltShift(Key::Left),
+            552 => Event::Ctrl(Key::Left),
+            553 => Event::CtrlShift(Key::Left),
+            554 => Event::CtrlAlt(Key::Left),
 
-            551 => Event::Alt(Key::PageDown),
-            552 => Event::AltShift(Key::PageDown),
-            553 => Event::Ctrl(Key::PageDown),
-            554 => Event::CtrlShift(Key::PageDown),
-            555 => Event::CtrlAlt(Key::PageDown),
+            555 => Event::Alt(Key::PageDown),
+            556 => Event::AltShift(Key::PageDown),
+            557 => Event::Ctrl(Key::PageDown),
+            558 => Event::CtrlShift(Key::PageDown),
+            559 => Event::CtrlAlt(Key::PageDown),
 
-            556 => Event::Alt(Key::PageUp),
-            557 => Event::AltShift(Key::PageUp),
-            558 => Event::Ctrl(Key::PageUp),
-            559 => Event::CtrlShift(Key::PageUp),
-            560 => Event::CtrlAlt(Key::PageUp),
+            560 => Event::Alt(Key::PageUp),
+            561 => Event::AltShift(Key::PageUp),
+            562 => Event::Ctrl(Key::PageUp),
+            563 => Event::CtrlShift(Key::PageUp),
+            564 => Event::CtrlAlt(Key::PageUp),
 
-            561 => Event::Alt(Key::Right),
-            562 => Event::AltShift(Key::Right),
-            563 => Event::Ctrl(Key::Right),
-            564 => Event::CtrlShift(Key::Right),
-            565 => Event::CtrlAlt(Key::Right),
-            // 566?
-            567 => Event::Alt(Key::Up),
-            568 => Event::AltShift(Key::Up),
-            569 => Event::Ctrl(Key::Up),
-            570 => Event::CtrlShift(Key::Up),
-            571 => Event::CtrlAlt(Key::Up),
+            565 => Event::Alt(Key::Right),
+            566 => Event::AltShift(Key::Right),
+            567 => Event::Ctrl(Key::Right),
+            568 => Event::CtrlShift(Key::Right),
+            569 => Event::CtrlAlt(Key::Right),
+            // 570?
+            571 => Event::Alt(Key::Up),
+            572 => Event::AltShift(Key::Up),
+            573 => Event::Ctrl(Key::Up),
+            574 => Event::CtrlShift(Key::Up),
+            575 => Event::CtrlAlt(Key::Up),
 
             ncurses::KEY_MOUSE => self.parse_mouse_event(),
             ncurses::KEY_B2 => Event::Key(Key::NumpadCenter),