diff --git a/crates/applications/stacked_cores/src/main.rs b/crates/applications/stacked_cores/src/main.rs
index 3cb2465..7d86130 100644
--- a/crates/applications/stacked_cores/src/main.rs
+++ b/crates/applications/stacked_cores/src/main.rs
@@ -474,6 +474,11 @@ fn drive_map_5stack_one_sided_inv() -> [[ClockState; 5]; 6] {
     ]
 }
 
+/// stack of N cores.
+/// core 0 is the actively driven core.
+/// core 0 is assumed to be coupled to core 1, core 1 to core 2, and so on.
+/// each alternating core has opposite polarity.
+/// the odd ones are initialized low, even ones are initialized high.
 #[allow(unused)]
 fn drive_map_nstack_one_sided_inv<const N: usize>() -> [[ClockState; N]; 6] {
     use ClockState as C;
@@ -489,7 +494,7 @@ fn drive_map_nstack_one_sided_inv<const N: usize>() -> [[ClockState; N]; 6] {
     for c in 1..N {
         clocks[0][c] = match c % 2 { // charge to base state
             1 => C::hold_low(),
-            _ => C::release_low(),
+            _ => C::hold_high(),
         };
         clocks[1][c] = match c % 2 { // let settle
             1 => C::release_low(),
@@ -510,6 +515,30 @@ fn drive_map_nstack_one_sided_inv<const N: usize>() -> [[ClockState; N]; 6] {
     clocks
 }
 
+#[allow(unused)]
+fn drive_map_nstack_one_sided<const N: usize>() -> [[ClockState; N]; 6] {
+    use ClockState as C;
+
+    let mut clocks = [[C::float(); N]; 6];
+    clocks[0][0] = C::hold_high(); // charge S0 high
+    clocks[1][0] = C::release_high(); // let settle
+    clocks[2][0] = C::hold_low(); // write S0 -> S1, {S2, ...}
+    clocks[3][0] = C::hold_low(); // charge S0 low
+    clocks[4][0] = C::release_low(); // let settle
+    clocks[5][0] = C::hold_low(); // write S0 -> S1, {S2, ...}
+
+    for c in 1..N {
+        clocks[0][c] = C::hold_low(); // init low
+        clocks[1][c] = C::release_low();
+        clocks[2][c] = C::float(); // accept active transfer
+        clocks[3][c] = C::hold_low(); // reset low
+        clocks[4][c] = C::release_low();
+        clocks[5][c] = C::float(); // accept the noop transfer
+    }
+
+    clocks
+}
+
 fn main() {
     coremem::init_logging();
     // coremem::init_debug();
@@ -1252,14 +1281,75 @@ fn main() {
             .with_ctl_conductivity(5e2)
             .with_coupling_conductivity(5e3)
             .with_s_major(um(400))
-            .with_coupling_loops(10)
-            .with_coupling(0, 1, 0, 2, CouplingMethod::Outside)
-            .with_coupling(0, 2, 1, 2, CouplingMethod::Outside)
         ;
         run_sim(
             "13-3stack-8e10-drive",
             drive_map_3stack_one_sided(),
-            p13xx.with_input_magnitude(8e10),
+            p13xx
+                .with_input_magnitude(8e10)
+                .with_coupling_loops(10)
+                .with_coupling(0, 1, 0, 2, CouplingMethod::Outside)
+                .with_coupling(0, 2, 1, 2, CouplingMethod::Outside)
+        );
+        run_sim(
+            "13-4stack-10loop-8e10-drive",
+            drive_map_nstack_one_sided::<4>(),
+            p13xx
+                .with_input_magnitude(8e10)
+                .with_coupling_loops(10)
+                .with_coupling(0, 1, 0, 3, CouplingMethod::Outside)
+                .with_coupling(0, 2, 1, 3, CouplingMethod::Outside)
+                .with_coupling(0, 3, 2, 3, CouplingMethod::Outside)
+        );
+        run_sim(
+            "13-5stack-8loop-8e10-drive",
+            drive_map_nstack_one_sided::<5>(),
+            p13xx
+                .with_input_magnitude(8e10)
+                .with_coupling_loops(8)
+                .with_coupling(0, 1, 0, 4, CouplingMethod::Outside)
+                .with_coupling(0, 2, 1, 4, CouplingMethod::Outside)
+                .with_coupling(0, 3, 2, 4, CouplingMethod::Outside)
+                .with_coupling(0, 4, 3, 4, CouplingMethod::Outside)
+        );
+        run_sim(
+            "13-6stack-6loop-8e10-drive",
+            drive_map_nstack_one_sided::<6>(),
+            p13xx
+                .with_input_magnitude(8e10)
+                .with_coupling_loops(6)
+                .with_coupling(0, 1, 0, 5, CouplingMethod::Outside)
+                .with_coupling(0, 2, 1, 5, CouplingMethod::Outside)
+                .with_coupling(0, 3, 2, 5, CouplingMethod::Outside)
+                .with_coupling(0, 4, 3, 5, CouplingMethod::Outside)
+                .with_coupling(0, 5, 4, 5, CouplingMethod::Outside)
+        );
+        run_sim(
+            "13-7stack-5loop-8e10-drive",
+            drive_map_nstack_one_sided::<7>(),
+            p13xx
+                .with_input_magnitude(8e10)
+                .with_coupling_loops(5)
+                .with_coupling(0, 1, 0, 6, CouplingMethod::Outside)
+                .with_coupling(0, 2, 1, 6, CouplingMethod::Outside)
+                .with_coupling(0, 3, 2, 6, CouplingMethod::Outside)
+                .with_coupling(0, 4, 3, 6, CouplingMethod::Outside)
+                .with_coupling(0, 5, 4, 6, CouplingMethod::Outside)
+                .with_coupling(0, 6, 5, 6, CouplingMethod::Outside)
+        );
+        run_sim(
+            "13-8stack-5loop-8e10-drive",
+            drive_map_nstack_one_sided::<8>(),
+            p13xx
+                .with_input_magnitude(8e10)
+                .with_coupling_loops(5)
+                .with_coupling(0, 1, 0, 7, CouplingMethod::Outside)
+                .with_coupling(0, 2, 1, 7, CouplingMethod::Outside)
+                .with_coupling(0, 3, 2, 7, CouplingMethod::Outside)
+                .with_coupling(0, 4, 3, 7, CouplingMethod::Outside)
+                .with_coupling(0, 5, 4, 7, CouplingMethod::Outside)
+                .with_coupling(0, 6, 5, 7, CouplingMethod::Outside)
+                .with_coupling(0, 7, 6, 7, CouplingMethod::Outside)
         );
     }
 }