--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Paper/src/twice.c	Tue Nov 02 06:55:58 2021 +0900
@@ -0,0 +1,16 @@
+// Twice
+__code twice(struct Context* context, struct LoopCounter* loopCounter, int index, int alignment, int* array) {
+    int i = loopCounter->i;
+
+    if (i < alignment) {
+        array[i+index*alignment] = array[i+index*alignment]*2;
+        loopCounter->i++;
+
+        goto meta(context, Twice);
+    }
+
+    loopCounter->i = 0;
+
+    stack_pop(context->code_stack, &context->next);
+    goto meta(context, context->next);
+}