when I look at the pictures of the standard I get the idea that connecting the left front inner track to the right back outertrack and visa versa is not alowed but there is not actualy written anything about it.
the same goes for the end modules, the other tracks and inner tracks loop but nothing is written about alowing the front tracks and back tracks loop.
finaly the y and x modules the tracks keep following the edges but again nothign is written about alowing the tracks to cross or turnout.
are alternative track connections alowed provided you keep taps on the directions?