Johnny Dangerous wrote:" " ?
The Prajnaparamita Sutras come in all different lengths. One is 8,000 lines, I believe. The Diamond Sutra is longer that the Heart Sutra. The shortest sutra of all the Prajnaparamita Sutras is simply the letter "ཨ" (AH), hence my admiration for the answer to the O.P. It is also, not simply coincidence, the letter ChNN has you visualize in his guru-yoga I believe.
Unless I am quoting scripture or a recognized authority my posts are my opinions only and not "Dharma". I offer my posts for entertainment purposes only. I hope you find them either interesting or enjoyable--but don't take anything I say to heart without running it by your own teacher first!