U52ttNU64ttsplusNMU11ttU12isNatKindU12ttU13isNatKindU13ttU14isNatKindU14ttU15isNatU15ttU16isNatU16ttttU21ttU22isNatKindU22ttU23isNatU23ttttU31ttU32isNatKindU32ttttU41ttttU51ttU52isNatKindU61ttU62isNatKindU62ttU63isNatU63ttU64isNatKindisNatttisNatU11isNatKindisNatU21isNatKindisNatKindttisNatKindU31isNatKindisNatKindU41isNatKindplusN0U51isNatplusNsMU61isNat2.1U52ttU52ttNU52ttNU52ttttt21.14if standard then (var | con | (lpo || unfold[1] || (dp;(tdg | sccs | sc)*;(edg[2] | sccs | sc | sct | {ur?;lpo -dp -af[2]}restore | {ur?;matrix -dp -dim 2 -ib 2 -ob 2 -ur[2]}restore | uncurryx?;uncurryx -top )[10]*)!)) else if relative then (trivial | var | (unfold[2] || (( lpo -quasi | matrix -dim 2 -ib 2 -ob 3 | matrix -dim 3 -ib 2 -ob 2 | uncurryx )[10]*))) else fail