numbersToSkipOptionsForAllNumbers = new Object({
"consecutive increasing digits (12, 34, ...)": new Set(mainNumbers.filter(n=>digitDifference(n) === 1)),
"consecutive decreasing digits (65, 54, ...)": new Set(mainNumbers.filter(n=>digitDifference(n) === -1)),
"repeated digits (11, 22, ...)": new Set(mainNumbers.filter(n=>digitDifference(n) === 0)),
"months (1-12)": new Set(getNaturalNumbers(12)),
})