Complex sentence: The Moldovan-Ukrainian state border is 1,222 km long, consisting of 955 km of "green" (land) border and 267 km of "blue" (river) border.
Split into simpler sentences: The Moldovan-Ukrainian state border is 1,222 km long. It consists of 955 km of "green" (land) border and 267 km of "blue" (river) border.