The rightmost digit is the value for the current position, and the result for the subsequent addition of the digits to the left increases by the value of the second (leftmost) digit, which is always one (if not zero).
Digit paling tengen inggih punika pikolih antuk genah mangkin miwah pikolih kaanggén ngewewehin angka selanturnyané ka kiwa maweweh sareng pikolih digit kaping kalih (paling kiwa), sané stata asiki (yening nénten nol).