ref: ce16317f33fc534a6724f5ccfd0901bf2888862b dir: /maps/Route15.blk/
N !RPRRRRRRRRRRRRRR~UUUXUUUUUUUUUUUUUUQNUZ NU11tttt NUUUUUUUUUUUUUUUUl N1111111111111111 QQQQQQQQQQQQQQQQQ