645,645,645,646,645,644,644,642,642,641,640,639,639,638,638,638,637,637,637,638,637,637,638,638,638,639,639,641,643,644;914,917,919,920,922,924,925,926,927,928,928,928,927,926,925,924,923,922,920,919,918,917,916,915,914,913,912,911,911,912