The Tripitaka Koreana (lit. Goryeo Tripitaka) or Palman Daejanggyeong ("Eighty-Thousand Tripitaka") is a Korean collection of the Tripitaka (Buddhist scriptures, and the Sanskrit word for "three baskets"), carved onto 81,258 wooden printing blocks in the 13th century. It is the world's most comprehensive and oldest intact version of Buddhist canon in Hanja script, with no known errors or errata in the 52,382,960 characters which are organized in over 1496 titles and 6568 volumes. Each wood block measures 70 centimeters in width and 24 centimeters in length. The thickness of the blocks range from 2.6 to 4 centimeters and each weighs about three to four kilograms.