hi all my group members and i need help for our project. There are two inputs, one input is for on/off, the other is for to change the motor patterns. If we would like to change another pattern, we depress the same button allocated for patterns. During the first sequence, if we would like to change to second sequence and if the button is pressed, it should go to the second sequence. But however, in our case, it doesn't work this way. For us, we would need to find the exact time when the first sequence ends then only can we press and change to second sequence. Attached is the flowchart. Please help! Urgent! 
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