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A theoretical static solution is reported for a two-dimensional mooring line having an arbitrary multi-segment composition of wires, chains, synthetic ropes and buoys. The segments can be buoyant, neutrally buoyant or heavier than water, and they can be nonlinearly stretchable. The buoys can be of constant positive and negative buoyancy, thus representing submerged buoys and hung weights. A mooring line can operate in the 'horizontal' or slack mode, and in the 'vertical' or 'tension-moor' mode. In the former cese, a surface-floating 'spring-buoy' is allowed, as well as a linear slope of the sea bottom at the anchor.