some others try to extract letters from the riddles to form a "super riddle". their reasoning is based on valentin's public answers about "remainders", and the solution of the 600 page. since the atomic masses left some letters behind (the "s" inside "cl.es.f"), it is theorized that other unique letters must exist. but the book does not provide any clear system with which to extract letters from the riddles, and devising a rule that works for all the riddles is complicated, as the riddles consist of varying amounts of text and numbers.