diff --git a/chapter_01/examples/consteval.cc b/chapter_01/examples/consteval.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d473db73d11d125eb9b490ed0c3a3b2dd49165aa
--- /dev/null
+++ b/chapter_01/examples/consteval.cc
@@ -0,0 +1,23 @@
+#include <algorithm>
+#include <ranges>
+namespace sr = std::ranges;
+namespace sv = sr::views;
+
+consteval auto is_prime(unsigned N) -> bool
+{
+    return sr::none_of(
+        sv::iota(2U) 
+          | sv::take_while([=](auto i) { return i * i <= N; }),
+        [=](auto i){ return N % i == 0; });
+}
+
+auto main() -> int
+{
+    return (sr::fold_left(
+        sv::iota(2U)
+          | sv::filter([](unsigned i) { return is_prime(i); })
+          | sv::take(10U),
+        0UL, 
+        std::plus<unsigned long>{}));
+}
+
diff --git a/chapter_01/examples/iotaloop.cc b/chapter_01/examples/iotaloop.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b3535e3a338d6984237bc09d206028ec676f14fa
--- /dev/null
+++ b/chapter_01/examples/iotaloop.cc
@@ -0,0 +1,12 @@
+#include <print>
+#include <ranges>
+
+namespace sr = std::ranges;
+namespace sv = sr::views;
+
+auto main() -> int
+{
+    for (auto i : sv::iota(10, 15)) std::print("{}\n", i);
+}
+
+
diff --git a/chapter_01/examples/iotaloop2.cc b/chapter_01/examples/iotaloop2.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4545a87d344b17f024f662532407fbe6e291b7fa
--- /dev/null
+++ b/chapter_01/examples/iotaloop2.cc
@@ -0,0 +1,16 @@
+#include <print>
+#include <ranges>
+
+namespace sr = std::ranges;
+namespace sv = sr::views;
+auto divisible_by_4(int i) -> bool
+{
+    return i % 4 == 0;
+}
+auto main() -> int
+{
+    for (auto i : sv::iota(1, 500) | sv::filter(divisible_by_4))
+        std::print("{}\n", i);
+}
+
+
diff --git a/chapter_01/solutions/iotaloop3.cc b/chapter_01/solutions/iotaloop3.cc
new file mode 100644
index 0000000000000000000000000000000000000000..84527234c4822b2a0b2639b1aeb70da4cd6b0895
--- /dev/null
+++ b/chapter_01/solutions/iotaloop3.cc
@@ -0,0 +1,16 @@
+#include <print>
+#include <ranges>
+
+namespace sr = std::ranges;
+namespace sv = sr::views;
+auto my_selection(int i) -> bool
+{
+    return (i - 10) % 7 == 0;
+}
+auto main() -> int
+{
+    for (auto i : sv::iota(-50, 50) | sv::filter(my_selection))
+        std::print("{}\n", i);
+}
+
+
diff --git a/chapter_01/examples/numsort.cc b/chapter_06/examples/numsort.cc
similarity index 100%
rename from chapter_01/examples/numsort.cc
rename to chapter_06/examples/numsort.cc
diff --git a/chapter_01/examples/sharedptr.cc b/chapter_06/examples/sharedptr.cc
similarity index 100%
rename from chapter_01/examples/sharedptr.cc
rename to chapter_06/examples/sharedptr.cc
diff --git a/chapter_01/examples/uniqueptr.cc b/chapter_06/examples/uniqueptr.cc
similarity index 100%
rename from chapter_01/examples/uniqueptr.cc
rename to chapter_06/examples/uniqueptr.cc