assertEquals(15, p.calculatePartition('p', 26));
assertEquals(16, p.calculatePartition('q', 26));
assertEquals(17, p.calculatePartition('r', 26));
assertEquals(18, p.calculatePartition('s', 26));
assertEquals(19, p.calculatePartition('t', 26));
assertEquals(20, p.calculatePartition('u', 26));
assertEquals(21, p.calculatePartition('v', 26));
assertEquals(22, p.calculatePartition('w', 26));
assertEquals(23, p.calculatePartition('x', 26));
assertEquals(24, p.calculatePartition('y', 26));
assertEquals(25, p.calculatePartition('z', 26));