Odi (9) is vision. (| || || |) is tenth Odu on the list of the sixteen principal Odu in Ifa divination system. It has single lines in the first and last positions and double lines in in the second and third positions.
The single lines in the first and last positions are the smooth sides of two cowries and the double lines in the second and third positions are the split sides of two cowries.
Odi is equal to 1001, since a double line or the split side of a cowrie is equal to 0 and a single line or the split side of a cowrie is equal to 1.