|1x3 Cross validator 1, 2, 1, 1, 3. 3, 2, 2, 2, 3. 1, 2, 2, 1, 3. 3, 2, 1, 2, 2. 1, 2, 1, 2, 2. 3, 1, 1, 2, 3. 3, 1, 1, 1, 3. 2, 1, 2, 2, 1. 2, 2, 2, 1, 3. 2, 2, 2, 2, 3. 1, 1, 1, 1, 3. 2, 1, 2, 1, 3. 3, 2, 2, 1, 3. 3, 1, 2, 2, 1. 2, 1, 1, 1, 3. 3, 1, 2, 1, 3.