1♦-(P)-1♥-(2♠)
1♦ showed 4+♦ unbalanced, and is the opening on any hand that is to be treated as a minor two-suiter, even if the ♣ are longer. (I think I remember us treating a couple of 22(45)s as balanced, and one 4-7 and one 4-6 (x Kx xxxx AKQxxx or similar) as single suiters)
What should everything mean now?
Option 1)
X = takeout, shows extras
2NT = some kind of Lebensohl (probably diamonds or minors weak, or hearts strong)
3C = nat, extras, suits can be either way around
3D = nat, extras
3H = nat, min, the usual bid on 1=3 in the majors
3S+ = various extreme hands
Advantage - You can show all the hands you want to. Disadvantage - Only if the opponents shut up over your 2NT bid (although following up with a double must show the strong hand with 4♥).
Option 2)
X = takeout, shows extras
2N = minors
3C = diamonds
3D = Heart raise, weak (can be 1=3 majors) or strong
3H = Heart raise, intermediate
3S+ = various extreme minor based hands
Advantage - You can show your minor handtypes straight away. Disadvantage - you can't show a minor based hand with some extras without going past 3m (unless you bid 2N:3♣, 3♦: Pass).
Option 3)
X = 15+, 2+♠, <4♥
Advantage - You won't often have a penalty pass of a takeout double on this auction, so you may as well bid with those hands and have a definition for double that will sometimes get passed out. Disadvantage - I can't come up with any nice meanings for the bids
Any advances?

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