nl_tokens: The twist of the 8 corners 0 < = twist < 3^7 . The orientation of the DRB corner is fully determined by the orientation of the other corners .
pl_tokens: function ( twist ) { <mask> i , m , o , ori , parity , v ; if ( twist != null ) { parity = 0 ; for ( i = m = 6 ; m >= 0 ; i = -- m ) { ori = twist % 3 ; twist = ( twist / 3 ) | 0 ; this . co [ i ] = ori ; parity += ori ; } this . co [ 7 ] = ( 3 - parity % 3 ) % 3 ; return this ; } else { v = 0 ; for ( i = o = 0 ; o <= 6 ; i = ++ o ) { v = 3 * v + this . co [ i ] ; } return v ; } }