1 Club Opening:

(*) any 15-19 HCP hand, except for 6+ diamonds or 4+/5+ in minors (opens 1D)

(**) any game forcing hand (generally 22+ HCP)

Note: 20-21 HCP hands  ("Almost Acol") and 12-19 HCP hands with  minimum 6 diamonds or  4+-5+ in minors open 1 Diamond

1C-1D:

The responder bids 1 Diamond with either weak (0-6 HCP) or strong (12+ HCP) hand, any distribution. 

1C-1D-1H/S/NT/2C/D:

After 1 Diamond response opener uses system's "opening" 1 Heart to 2 Diamonds with 15-19 HCP and  the bidding proceeds as after 10-14 HCP 1st hand opening - the point ranges for inv and game forcing bids are adjusted accordingly.

1C-1D-2H/S/NT 3C/D

With game forcing hands opener jump-bids naturally with 5 card suit, or bids 2NT with 22-23 HCP, and 3NT with 24-26 HCP 

1C-1H/S/NT/2C/D: 

With 7-11 HCP responder bids system's "opening" 1 Heart to 2 Diamonds. The bidding proceeds as after 1st hand 10-14 HCP opening with point ranges changed accordingly.

1C-2H=7-11 HCP artificial, showing 4-5 in minors,  

opener can then bid:

            2S –asking, inv+  

                                2NT – 2-2 in majors, min

                                3C - shortness in  hearts, min

                                3D – shortness in spades, min

                                3H - shortness in hearts, max

                                3S – shortness in spades, max

                                3NT - 2-2 in majors,  max

            2NT – inv, with min pass, with max bid longer minor or singleton with 5-5

3C/D sign off

3H/S – 5+ cards, gforce

3NT – sign off

4C/D – preemptive

1C-2S/3C/D/H/S= 4-6 HCP long suit

1C-2NT=  7-11 HCP, artificial, showing 6+ diamonds

opener can then bid:

    3C – asking for singleton and strength (with minimum return to 3D even with singleton)

    3D – sign off

                3H/S 5+ cards, gforce