dump of sequence tree
                        TYPE              CLASS        NAME  duration      ADCs     TPOIs |  module specific
                        ----------------------------------------------------------------- |  ---------------
sequence-root------>   CONCAT       CONCATSEQUENCE       C1     5.440       64        75  |  Repetitions = 1, type SLI|PHA|PAR|SET|CON|AVG = 0|0|0|0|0|0
  |_ child 1   ---->     ATOM       ATOMICSEQUENCE       A1     0.100        0         3  | 
    |_ child 1   -->    PULSE          HARDRFPULSE       P1     0.100        0         3  |  Axis = RF  , (Flipangle,Phase,Bandwidth,Channel,Symmetry) = (90,0,1e+16,0,0.5) 
  |_ child 2   ---->     ATOM       ATOMICSEQUENCE       A2     1.140        0         4  | 
    |_ child 1   -->    PULSE        TRAPGRADPULSE      pre     1.140        0         4  |  Axis = GX  , Area = -1.03044
  |_ child 3   ---->     ATOM       ATOMICSEQUENCE       A3     4.200       64        68  | 
    |_ child 1   -->    PULSE        TRAPGRADPULSE       ro     4.200       64        68  |  Axis = GX  , ADC type ADC|IMG|ACS|PC|NOISE = 0|1|0|0|0 , Area = 2.06088 , FlatTop: (Area,time)= (2.01062,4) , InitialPhase=180 , Frequency=3.14159
