// partition rows 5, subs [1, 2, 3]
// partition rows 55, subs [4, 5, 7, 8, 9, 10, 11, 12]
{ "employee_id":58, "position_id":2, "sub":11, "salary":21 }
{ "employee_id":0, "position_id":1, "sub":1, "salary":11 }
{ "employee_id":29, "position_id":2, "sub":9, "salary":19 }
{ "employee_id":36, "position_id":2, "sub":9, "salary":19 }
{ "employee_id":23, "position_id":2, "sub":8, "salary":18 }
{ "employee_id":2, "position_id":1, "sub":2, "salary":12 }
{ "employee_id":46, "position_id":2, "sub":10, "salary":20 }
{ "employee_id":10, "position_id":2, "sub":5, "salary":15 }
{ "employee_id":49, "position_id":2, "sub":11, "salary":21 }
{ "employee_id":5, "position_id":2, "sub":4, "salary":14 }
{ "employee_id":38, "position_id":2, "sub":10, "salary":20 }
{ "employee_id":24, "position_id":2, "sub":8, "salary":18 }
{ "employee_id":47, "position_id":2, "sub":10, "salary":20 }
{ "employee_id":43, "position_id":2, "sub":10, "salary":20 }
{ "employee_id":51, "position_id":2, "sub":11, "salary":21 }
{ "employee_id":32, "position_id":2, "sub":9, "salary":19 }
{ "employee_id":17, "position_id":2, "sub":7, "salary":17 }
{ "employee_id":3, "position_id":1, "sub":3, "salary":13 }
{ "employee_id":19, "position_id":2, "sub":7, "salary":17 }
{ "employee_id":7, "position_id":2, "sub":4, "salary":14 }