 Another example is Stela 1 at Coba which marks the date of creation as , or nineteen units above the bʼakʼtun.According to Linda Schele, these 13s represent "the starting point of a huge odometer of time", with each acting as a zero and resetting to 1 as the numbers increase.Thus this inscription anticipates the current universe lasting at least 2021×13×360 days, or roughly 2.687×1028 years; a time span equal to 2 quintillion times the age of the universe as determined by cosmologists.