Integral 33 / CS I55 – Integral 1/3/5 D3 mobile 16 1 15 2 14 3 13 12 4 OK R 1 2 ABC 3 DFG 4 GHI 5 JKL 6 MNO 7PQRS 8 TUV 9 WXYZ 5 11 6 0 10 7 9 8