barley = [
{subject: 1, ae: 'a', start: 1, end: 5},
{subject: 1, ae: 'a', start: 1, end: 5},
{subject: 1, ae: 'a', start: 1, end: 5},
{subject: 1, ae: 'b', start: 1, end: 5},
{subject: 1, ae: 'b', start: 1, end: 5},
{subject: 1, ae: 'b', start: 1, end: 5},
{subject: 2, ae: 'a', start: 1, end: 5},
{subject: 2, ae: 'a', start: 1, end: 5},
{subject: 2, ae: 'a', start: 1, end: 5},
]