ref: 65245542c7e6f8b1c0bdb46354285dbde32c67ab dir: /maps/route1.blk/
MRRO1PRRN M 1 tN MB11N nttnm nBm n tt 111m noom M tt1N M 1111ttN M//N M 111111N MooooN M tt1N M1N n 1 m nt1tm nQQcbQQm n MN m