@ 1 2 3 4 5 6 7 8 9 10 11 12 13 14
[ 1 2 3 4 5 6
] 1 2 3 4 5 6
^ 1 2 3 4 5 6
_ 1 2 3 4 5 6
__
____
______________
________________
____________________________________
_mass_payment_process
_non 1 2
_process
_referral_and_non 1 2
` 1 2