a[-.9, 8+1, 7+2,\rb-<8 Z-[\], a[-.8, 7+1, 6+2,\rc-<7 Z-*\]a*-.7, 6+1, 5+2,\rd-<6 Z-[\]a[-.6, 5+1, 4+2,\re-<5 Z-[\]a[-.5, 4+1, 3+2,\rf - < 10Z-[\]a[-.9+1, 8+2, 7+3,\rg - < I I Z-[\]a[-.9+2, 8+3, 7+4,\rh - < 12Z-[\]a[-.9+3, 8+4, 7+5,\ri-<13Z-[\]a[-.9+4, 8+5, 7+6,\rj - < 14Z-[\]a[-.9+5, 8+6, 7+4+3,\rklm n_op-<15Z-*\]a*-.9+6, 8+7, 5+4+3+2+1,\r^;11_op\r89:.11.\r19.[qrs;tu42 vwxyPz{sYt;39vyP|}sYt;34v\ryP~sYt;3 0 vyP0sYt;37 v . ? s 0 ; 1 4 ?\rtu
_syP.\r\rG>\r34+39 -42=31 ?v\r31+30 -42=19 ?v\r19+37 -42=14 ?v\r9?s0;14?tu
_syP.\r*;42??kT4 ?z{sYt;39v\ryP|}sYt;34vyP~sYt;30vyP0sYt;37v.\r>?\nW;39??34??30??37?\r;
?039+34+30+37 - 42X 3=14?\r
_syP14v.\r89:.14.