def m4by2 = [ [ 1, 2 ],
[ 3, 4 ],
[ 5, 6 ],
[ 7, 8 ] ]
def m2by3 = [ [ 1, 2, 3 ],
[ 4, 5, 6 ] ]
matmulWOIL(m4by2, m2by3).each { println it }
println()
matmulWOT(m4by2, m2by3).each { println it }