Oldest Known Writing System » tSmcmDssy3GW48_WqPR5ewMYgaHuPKDQNerlwUD3WyXLx6UihmUyGRBOZnDyk9hVxmrkfGuyTFzRFEHvAvjI_otTkMUzhRpRVvGCwi-LxjJ5ITw=s0-d-e1-ft