reading pic :56?

[Daymio]

<frame> 170 story (stage1-1) pic: 56 state: 9997 wait: 10 next: 171 dvy: 550 centerx: 38 centery: 170 <frame_end>

where from is this line reading this pic :56 ?
by the way this is from little fighter kingdom..

Code:

<frame> 170 story (stage1-1)   pic: 56  state: 9997  wait: 10  next: 171  dvy: 550  centerx: 38  centery: 170  <frame_end>
<frame> 171 story (stage1-1)   pic: 57  state: 9997 wait: 500  next: 172  dvy: 550  centerx: 38  centery: 170  <frame_end>
<frame> 172 story (stage1-1)   pic: 56  state: 9997  wait: 10  next: 173  dvy: 550  centerx: 38  centery: 170  <frame_end>
<frame> 173 story (stage1-1)   pic: 58  state: 9997 wait: 500  next: 174  dvy: 550  centerx: 38  centery: 170  <frame_end>
<frame> 174 story (stage1-1)   pic: 56  state: 9997  wait: 10  next: 175  dvy: 550  centerx: 38  centery: 170  <frame_end>
<frame> 175 story (stage1-1)   pic: 59  state: 9997  wait: 10  next: 175  dvy: 550  centerx: 38  centery: 170  <frame_end>