# Which is the same as $d = 0
$VAR1 = {
          'TAGT' => {
                      'I3' => 1,
                      'I1' => 1
                    },
          'TTTT' => {
                      'I1' => 1
                    },
          'TTAT' => {
                      'I2' => 1,
                      'I1' => 1
                    }
        };