Cistercian numerals

Background: Hundreds of years ago, a cool looking numeric system was invented for writing numbers from 0–9999 in a single cryptic rune: https://en.wikipedia.org/wiki/Cistercian_numerals. In Figure 1, we see how two such symbols could represent a phone number. Proposal: By making use of these strange-looking numbers, ”boring“ mundane activities—like dialing a phone number—can become more exciting…