Короче, все левые повороты вот так:
[map]59.83148,30.34304 59.83137,30.34326 59.8313,30.34341 59.8313,30.34355 59.8315,30.34398; 59.83067,30.34368 59.83068,30.34402 59.83071,30.34432 59.83078,30.34452 59.83085,30.34455 59.83097,30.34439 59.83108,30.34417; 59.83046,30.34524 59.8306,30.34492 59.8307,30.34466 59.83076,30.34423 59.83075,30.34385; 59.83101,30.34393 59.83087,30.34417 59.83083,30.34429 59.83075,30.3447 59.83072,30.3449 59.83073,30.34519; 59.83169,30.35085 59.83141,30.35089 59.83102,30.35097 59.83058,30.35105 59.83034,30.35107 59.83022,30.35112 59.83022,30.35124 59.83059,30.35196 59.83156,30.35409 59.83165,30.35431 59.83169,30.35459; 59.83122,30.35029 59.83126,30.35061 59.83129,30.35079 59.83138,30.35108 59.83146,30.35112 59.83161,30.35108; 59.83145,30.35149 59.8314,30.35125 59.83129,30.35106 59.83116,30.35085 59.83088,30.35088 59.83051,30.35095 59.83028,30.35098 59.83012,30.35091 59.8297,30.35009 59.82887,30.3483 59.82878,30.34823 59.82869,30.34823 59.82858,30.3484; 59.83083,30.34542 59.8308,30.34501 59.83083,30.34469 59.83118,30.34407 59.83129,30.34379 59.83127,30.34365 59.83124,30.34354 59.83117,30.34352 59.8303,30.34518[/map]