D12121212121313232233132332313231333132313233313113313231313232111221   >>    D1212121212131323223313233231323133313231323331311331323131323211122   <<    D12121212121313232233132332313231333132313233313113313231313232111223   >>      D12121212121313232233132332313231333132313233313113313231313232111222   >>