static int totalSubSets ( int n , int l , int r ) {
  int zero = ( int ) Math . floor ( ( double ) r / 3 ) - ( int ) Math . ceil ( ( double ) l / 3 ) + 1 ;
  int one = ( int ) Math . floor ( ( double ) ( r - 1 ) / 3 ) - ( int ) Math . ceil ( ( double ) ( l - 1 ) / 3 ) + 1 ;
  int two = ( int ) Math . floor ( ( double ) ( r - 2 ) / 3 ) - ( int ) Math . ceil ( ( double ) ( l - 2 ) / 3 ) + 1 ;
  int [ ] [ ] dp = new int [ n ] [ 3 ] ;
  dp [ 0 ] [ 0 ] = zero ;
  dp [ 0 ] [ 1 ] = one ;
  dp [ 0 ] [ 2 ] = two ;
  for ( int i = 1 ;
  i < n ;
  ++ i ) {
    dp [ i ] [ 0 ] = ( ( dp [ i - 1 ] [ 0 ] * zero ) + ( dp [ i - 1 ] [ 1 ] * two ) + ( dp [ i - 1 ] [ 2 ] * one ) ) % MOD ;
    dp [ i ] [ 1 ] = ( ( dp [ i - 1 ] [ 0 ] * one ) + ( dp [ i - 1 ] [ 1 ] * zero ) + ( dp [ i - 1 ] [ 2 ] * two ) ) % MOD ;
    dp [ i ] [ 2 ] = ( ( dp [ i - 1 ] [ 0 ] * two ) + ( dp [ i - 1 ] [ 1 ] * one ) + ( dp [ i - 1 ] [ 2 ] * zero ) ) % MOD ;
  }
  return dp [ n - 1 ] [ 0 ] ;
}

static int totalSubSets ( int n , int l , int r ) { int zero = ( int ) Math . floor ( ( double ) r / 3 ) - ( int ) Math . ceil ( ( double ) l / 3 ) + 1 ; int one = ( int ) Math . floor ( ( double ) ( r - 1 ) / 3 ) - ( int ) Math . ceil ( ( double ) ( l - 1 ) / 3 ) + 1 ; int two = ( int ) Math . floor ( ( double ) ( r - 2 ) / 3 ) - ( int ) Math . ceil ( ( double ) ( l - 2 ) / 3 ) + 1 ; int [ ] [ ] dp = new int [ n ] [ 3 ] ; dp [ 0 ] [ 0 ] = zero ; dp [ 0 ] [ 1 ] = one ; dp [ 0 ] [ 2 ] = two ; for ( int i = 1 ; i < n ; ++ i ) { dp [ i ] [ 0 ] = ( ( dp [ i - 1 ] [ 0 ] * zero ) + ( dp [ i - 1 ] [ 1 ] * two ) + ( dp [ i - 1 ] [ 2 ] * one ) ) % MOD ; dp [ i ] [ 1 ] = ( ( dp [ i - 1 ] [ 0 ] * one ) + ( dp [ i - 1 ] [ 1 ] * zero ) + ( dp [ i - 1 ] [ 2 ] * two ) ) % MOD ; dp [ i ] [ 2 ] = ( ( dp [ i - 1 ] [ 0 ] * two ) + ( dp [ i - 1 ] [ 1 ] * one ) + ( dp [ i - 1 ] [ 2 ] * zero ) ) % MOD ; } return dp [ n - 1 ] [ 0 ] ; }
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