An aliquot of sample is buffered to approximately pH10 with an NH/NHCl solution. A pair of amicable numbers constitutes an aliquot sequence of period 2. The second method included aliquot parts, as Springer suggested. That is, these numbers are not in the image of the aliquot sum function. Whenever the hammer strikes the three conventional strings, the aliquot string vibrates sympathetically. "Sanctae Inquisitionis hispanicae artes aliquot detectae, ac palam traductae" ("Some arts of Holy Inquisition"). Aliquot part were reported by F. Hultsch in 1895. The aliquot part story line remained an unsolved issue until the 21st century. Aliquot part steps were hidden in theoretical multiplication and division operations for over 100 years.