To Create a Complex Chain Automatically

Select the Create Complex Chain tool ( Drawing > Home > Groups ).
Set Method to Automatic.
Select the first element.
Enter a data point to automatically include other elements that are within the Max Gap distance. If a fork is found, where more than one element is within the Max Gap distance, the message "FORK – Accept or reset to See Alternate" displays in the status bar.
Do one of the following:

Enter a data point to accept the highlighted element.

or
Reset to highlight an alternate element. Continue to reset until the desired element highlights.
Enter a data point to complete the complex chain. Creation of the chain ends automatically if there are no elements within the Maximum Gap.

Creating a Complex Chain, Method set to Automatic