<<
yield yields 1 2 your 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 yourself z zcs zero 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 zeroes zeros 1 2 3