diff --git a/.gitignore b/.gitignore
index d0aa963..26f0e97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ node_modules
 .output/*
 dist
 .nuxt/*
+.cache/*
diff --git a/resistor-optimization/include/combinations_with_replacement.hpp b/resistor-optimization/include/combinations_with_replacement.hpp
index d9d236b..8a53f77 100755
--- a/resistor-optimization/include/combinations_with_replacement.hpp
+++ b/resistor-optimization/include/combinations_with_replacement.hpp
@@ -12,20 +12,20 @@
 #include "__generator.hpp"
 #endif
 
-std::generator<const std::vector<size_t>&> gen_indicies(const size_t n,
+std::generator<const std::vector<size_t>&> gen_indices(const size_t n,
                                                         const size_t r);
 
 template <typename T>
 std::generator<std::vector<T>&&> combinations_with_replacement(
     const std::vector<T>& pool,
     const size_t r) {
-  for (const auto& indicies : gen_indicies(pool.size(), r)) {
+  for (const auto& indices : gen_indices(pool.size(), r)) {
     auto combination = std::vector<T>(r);
 
     auto transform_view =
         std::views::iota((size_t)0, r) |
         std::views::transform(
-            [&indicies, &pool](const size_t i) { return pool[indicies[i]]; });
+            [&indices, &pool](const size_t i) { return pool[indices[i]]; });
 
     std::ranges::copy(transform_view, combination.begin());
     co_yield std::move(combination);
diff --git a/resistor-optimization/src/Main.cpp b/resistor-optimization/src/Main.cpp
index 498ed19..c67d6ba 100755
--- a/resistor-optimization/src/Main.cpp
+++ b/resistor-optimization/src/Main.cpp
@@ -4,11 +4,11 @@
 int main() {
 #if !__has_include(<emscripten/bind.h>)
   // some tests
-  int r = 5;
-  std::vector<double> resistors{17.56};
+  int r = 3;
+  std::vector<double> resistors{1.0, 1.7, 7.5, 3.6, 9};;
 
   const auto ro = ResistanceOptimizer(resistors);
-  const auto [svg, resistance] = ro.optimize(17.56, r);
+  const auto [svg, resistance] = ro.optimize(1.7, r);
   std::cout << resistance << std::endl;
   std::cout << svg << std::endl;
 #endif
diff --git a/resistor-optimization/src/ResistanceOptimizer.cpp b/resistor-optimization/src/ResistanceOptimizer.cpp
index af59c58..3adbb72 100755
--- a/resistor-optimization/src/ResistanceOptimizer.cpp
+++ b/resistor-optimization/src/ResistanceOptimizer.cpp
@@ -23,6 +23,12 @@ ResistanceOptimizer::generateCombinations(
   const auto c = std::ranges::subrange(begin, end);
 
   if (base == nullptr) {
+    for (const auto& resistor : c) {
+      const auto base = std::make_shared<SeriesContainer>();
+      base->add(resistor);
+      co_yield base;
+    }
+
     const auto base1 = std::make_shared<SeriesContainer>();
     for (const auto& res : generateCombinations(
              begin, end, base1)) {
@@ -61,6 +67,7 @@ ResistanceOptimizer::generateCombinations(
       }
     } else {
       auto pcont = std::dynamic_pointer_cast<ParallelContainer>(container);
+      assert(pcont);
 
       const auto new_scont = std::make_shared<SeriesContainer>();
       new_scont->add(c[0]);
diff --git a/resistor-optimization/src/combinations_with_replacement.cpp b/resistor-optimization/src/combinations_with_replacement.cpp
index 8f34a53..7867c9b 100755
--- a/resistor-optimization/src/combinations_with_replacement.cpp
+++ b/resistor-optimization/src/combinations_with_replacement.cpp
@@ -1,10 +1,10 @@
 #include "combinations_with_replacement.hpp"
 
-std::generator<const std::vector<size_t>&> gen_indicies(const size_t n,
+std::generator<const std::vector<size_t>&> gen_indices(const size_t n,
                                                         const size_t r) {
-  std::vector<size_t> indicies(r);
-  co_yield indicies;
-  const auto rev = indicies | std::views::reverse;
+  std::vector<size_t> indices(r);
+  co_yield indices;
+  const auto rev = indices | std::views::reverse;
 
   while (true) {
     const auto found = std::ranges::find_if(
@@ -19,6 +19,6 @@ std::generator<const std::vector<size_t>&> gen_indicies(const size_t n,
       el = fill;
     }
 
-    co_yield indicies;
+    co_yield indices;
   }
 }