78 ED -> DE FD -> DF HDG -> DGH IDG -> DGI KDGJ -> DGJK LDGJ -> DGJL NDGJM -> DGJMN ODGJM -> DGJMO 1DGJMP -> DGJMP1 GE -> EG GF -> FG JH -> HJ JI -> IJ MK -> KM ML -> LM PN -> NP PO -> OP DE -> BG DF -> CG GH -> EJ GI -> FJ JK -> HM JL -> IM MN -> KP MO -> LP P0 -> N P1 -> O 0 -> DGJMP0 1 -> DGJMP1 QH -> EQ QI -> FQ RK -> ER RL -> FR QN -> EQ QO -> FQ SQ -> QB TQ -> QC Q -> _ R -> _ BU -> UB CU -> UC BV -> VB CV -> VC UB -> S UC -> A VC -> T VB -> A UE -> EU UF -> FU VE -> EV VF -> FV EU -> S FU -> A FV -> T EV -> A UU -> S VV -> T UV -> A VU -> A W -> _ BE -> UWU BF -> VWU CE -> UWV CF -> VWV SH -> SQQH SI -> SQQI TH -> TQQH TI -> TQQI SK -> SQRK SL -> SQRL TK -> TQRK TL -> TQRL SN -> SQQN SO -> SQQO TN -> TQQN TO -> TQQO S -> _ T -> _