Write a program showing the following number string. In each row, read the first number and generate the others. \[ \begin{array}{llllll} 30 & 36 & 42 & 48 & 54 & \text { (Green) } \\ 20 & 24 & 28 & 32 & 36 & \text { (Red) } \\ 25 & 30 & 35 & 40 & 45 & \text { (Blue) } \end{array} \] 4:42 p.m