U12ttsndsplitAtNXSU22ttXU32ttNU42ttheadafterNthNXSU52ttYU63ttU64splitAtNXSU64pairYSZSpairconsXZSU72ttXSU82ttfstsplitAtNXSU11ttU12ttU21ttU22ttU31ttU32ttU41ttU42ttU51ttU52ttU61ttU62ttU62ttU63ttU71ttU72ttU81ttU82ttafterNthNXSU11ttfstpairXYU21ttheadconsNU31ttnatsFromNconsNselNXSU41ttsndpairXYU51ttsplitAt0XSpairnilXSsplitAtsNconsXU61tttailconsNU71tttakeNXSU81ttU121tt0snd1splitAt2U221U321U421head1afterNth2U521U631U641pair2cons1U721U821fst1U111U211U311U411U511U611U621U711U811natsFrom1sel200nil0s1tail1take2FULL./TRS/TRCSR/LISTUTILITIES_nosorts-noand_L.trs