left 411, 118 //  -1
wait 30s
left 388, 100
wait 30s
left 514, 529
wait  //  -1
left 411, 168 //  -2
wait 30s
left 388, 160
wait 30s
left 514, 529
wait  //  -2
left 411, 231 //  -3
wait 30s
left 388, 223
wait 30s
left 514, 529
wait  //  -3
left 411, 294 //  -4
wait 30s
left 388, 286
wait 30s
left 514, 529
wait  //  -4
left 411, 357 //  -5
wait 30s
left 388, 349
wait 30s
left 514, 529
wait  //  -5
left 411, 420 //  -6
wait 30s
left 388, 412
wait 30s
left 514, 529
wait  //  -6
left 411, 483 //  -7
wait 30s
left 388, 475
wait 30s
left 514, 529
wait  //  -7