Merge looses data

{{groovy}}
import org.apache.commons.lang3.ArrayUtils;

def c1 = "A\nB\nC\n"
def c2 = "A\nX\nB\nC\n"
def c3 = "A\nB\nC\nD\n"
def c1a = Arrays.asList(c1.split('\\n'))
def c2a = Arrays.asList(c2.split('\\n'))
def c3a = Arrays.asList(c3.split('\\n'))

def mresult = services.diff.merge(c1a, c2a, c3a, null)

println mresult.merged.join('\n')

{{/groovy}}