1_4abci.h           {0=0a, 1=1a.b, 21=2ab.c, 61=3abc.i, 73=4abci.h}                                                                                                                                                                                                                                                                                                                                                         AL3abc.i_T1;null;null;null;null                                                                                                54=AL_0;null;null;null;null                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           Anterior larynx                                                                                                                                                                                         2_4abci.h           {0=0a, 1=1a.b, 21=2ab.c, 61=3abc.i, 73=4abci.h}                                                                                                                                                                                                                                                                                                                                                         AL3abc.i_T1;null;null;null;null                                                                                                54=AL_1;null;null;null;null                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           Failed DL                                                                                                                                                                                               3_4abci.g           {0=0a, 1=1a.b, 21=2ab.c, 61=3abc.i, 73=4abci.g}                                                                                                                                                                                                                                                                                                                                                         AL3abc.i_T1;null;null;null;null                                                                                                54=AL_2;null;null;null;null                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           poor neck extension                                                                                                                                                                                     