D121212121213132313113313231123313232233132332121111331323113221   >>    D12121212121313231311331323112331323223313233212111133132311322   <<    D121212121213132313113313231123313232233132332121111331323113223   >>      D121212121213132313113313231123313232233132332121111331323113222   >>