static void printLowerHalf ( String str ) {
  char first , second ;
  int pos = 0 ;
  for ( int i = 1 ;
  i <= 4 ;
  i ++ ) {
    first = str . charAt ( pos ) ;
    second = str . charAt ( pos + 1 ) ;
    pos += 2 ;
    for ( int j = 1 ;
    j < i ;
    j ++ ) System . out . print ( " " ) ;
    System . out . print ( first ) ;
    for ( int j = 4 - i ;
    j >= 1 ;
    j -- ) System . out . print ( "--" ) ;
    System . out . println ( second ) ;
  }
}

static void printLowerHalf ( String str ) { char first , second ; int pos = 0 ; for ( int i = 1 ; i <= 4 ; i ++ ) { first = str . charAt ( pos ) ; second = str . charAt ( pos + 1 ) ; pos += 2 ; for ( int j = 1 ; j < i ; j ++ ) System . out . print ( " ▁ " ) ; System . out . print ( first ) ; for ( int j = 4 - i ; j >= 1 ; j -- ) System . out . print ( " - - " ) ; System . out . println ( second ) ; } }
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