diff --git a/src/core/core.cc b/src/core/core.cc
index 35b4bd6..18defa1 100644
--- a/src/core/core.cc
+++ b/src/core/core.cc
@@ -131,6 +131,8 @@ void Core::move_2x2(uint64_t code, int addr) { // try to move target 2x2 block
 void Core::next_step(uint64_t raw_code) {
 
     auto temp_code = raw_code;
+//    uint64_t raw_code = _code;
+
     for (int addr = 0; temp_code; addr += 3, temp_code >>= 3) {
 
         switch (temp_code & 0b111) {
@@ -151,8 +153,8 @@ void Core::next_step(uint64_t raw_code) {
         }
         if (cache_size != 1) {
             for (int i = 1; i < cache_size; ++i) {
-                std::cout << RawCode(cache[i].code).dump_case();
-                printf("MASK -> %016lX\n", cache[i].mask);
+//                std::cout << RawCode(cache[i].code).dump_case();
+//                printf("(%016lX)\n\n", cache[i].mask);
             }
 //            std::cout << "found: " << cache_size - 1 << std::endl;
         }
diff --git a/src/core/core.h b/src/core/core.h
index 7341bdf..a400e69 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -36,8 +36,19 @@ public:
     void move_2x1(uint64_t code, int addr);
     void move_2x2(uint64_t code, int addr);
 
+//    void move_1x1(int addr);
+//    void move_1x2(int addr);
+//    void move_2x1(int addr);
+//    void move_2x2(int addr);
+
     void next_step(uint64_t raw_code);
 
+//    void next_step();
+
+//    uint64_t _code;
+
+//    Core(uint64_t raw_code) : _code(raw_code) {}
+
 };
 
 
diff --git a/src/main.cc b/src/main.cc
index 5c47f61..812f3c0 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -147,9 +147,10 @@ int main() {
     auto raw_code = RawCode(CommonCode("4fea134")).unwrap();
 
     auto c = Core();
-//    for (int i = 0; i < 100000000; ++i) {
+//    auto c = Core(raw_code);
+    for (int i = 0; i < 100000000; ++i) {
         c.next_step(raw_code);
-//    }
+    }
 
     return 0;
 }