mix old+new T1-B1, T2-B9, Ta-B1, T2-B2, T3-B3, T4-B4, Tb-B9, T3-B8, T9-B5, T6-B6, T8-B4, Tb-B6, T7-B7, T5-B5, Tc-B7, T5-B8, T5-B3, T4-B2