1) Cardinal 2) CXII halved 3) DLX divided by X 4) Dlx over x 5) Early AD year 6) Fifth of CCLXXX 7) Fifty-six 8) Half of cxii 9) Inscribed 56 10) IV times XIV 11) IV x XIV 12) Mid first-century year 13) Ninth part of DIV 14) Number of years horace lived 15) Old-school 56 16) Quarter of CCXXIV 17) Romam 56 
Low Viscosity Index, typically below 40 VI units.