J2 bivouac Taillefer Proposition 2038 2067.2 2070.3 2077.8 2102 2125.1 2289.4 2345.4 2391.8 2499.5 2527.8 2618.8 2717.9 2727 2754.3 2838.1 2849.9 2812.1 2748.6 2713.4 2679 2671.3 2593.8 2507.1 2424.4 2392 2341 2292.7 2254.4 2233 2142.9 2041.4 1970.6 1928.7 1897.3 1836.2 1820.7 1694.4 1734.3 1730 1674 1698.3 1669.4 1683.1 1650.4 1650.1 1650.1