Unfortunately you won't find it.
This is a succinct summary from /u/spoofex thread yesterday from which you can infer harder and softer. None will definitely solve the Irish border problem except for revoke. D, H, J, L (but the assumpton is the EU would allow) M (also likely EU approval) and O all require further negotiation.
No Deal (B) – John Baron (Conservative)
Agrees to leave the EU on 12 April without a deal.
AYE: 160
NAY: 400
Common market 2.0 (D) – Nick Boles (Conservative)
Government joins the European Economic Area (EEA) through the European Free Trade Association (EFTA), and negotiates a temporary customs union until alternative arrangements can be found.
AYE: 188
NAY: 283
EFTA and EEA (H) – George Eustice (Conservative)
Remains in the European Economic Area (EEA), and applies to re-join the European Free Trade Association (EFTA).
Declines to form a customs union but seeks “agreement on new protocols relating to the Northern Ireland border and agri-food trade”.
AYE: 65
NAY: 377
Customs union (J) – Ken Clarke (Conservative)
Enshrine the objective to form a customs union in primary legislation.
AYE: 264
NAY: 272
Labour’s alternative plan (K) – Jeremy Corbyn
Negotiate changes to the withdrawal agreement and the political declaration to secure Labour’s position, and pass these objectives into law.
AYE: 237
NAY: 307
Revocation to avoid no deal (L) – Joanna Cherry (SNP)
If the Withdrawal (Agreement) Bill has not been passed before exit day, the government will ask MPs to approve no deal. If this does not pass, the government will revoke Article 50.
AYE: 184
NAY: 293
Confirmatory public vote (M) – Margaret Beckett (Labour)
Government cannot implement or ratify the withdrawal agreement and the political declaration unless and until they have been approved in a referendum.
AYE: 268
NAY: 295
Contingent preferential arrangements (O) – Marcus Fysh (Conservative)
Malthouse Plan B: The UK makes its budgetary contributions to the EU to the end of 2020 and agrees with the EU a period of two years in which UK goods have full access to the EU.
AYE: 139
NAY: 422