[If there was] a chatas bird and an olah bird, as well as an undesignated pair and a designated pair —- [if] he made all of them above [the Red Line], half [of each of these pairs] is valid and half [of each of these pairs] is invalid; [if] he made all of them below [the Red Line], half [of each of these pairs] is valid and half [of each of these pairs] is invalid. [If] he made half of them above [the Red Line] and half of them below [the Red Line,] none is valid except for the undesignated pair, and that [pair] is divided between them.