`Log file for divisible quadrilaterals satisfying corner condition`
lmn = [2, 4, 7]
epsfac = .1

`Tried:`, [[2, 4, 4, 4], [2, 4, 7], [1, 2, 2, 2], 7], ` failed`
`Tried:`, [[2, 4, 7, 7], [2, 4, 7], [1, 2, 3, 3], 9], ` failed`
`Tried:`, [[2, 7, 4, 7], [2, 4, 7], [1, 3, 2, 3], 9], ` failed`
`Tried:`, [[2, 7, 7, 4], [2, 4, 7], [1, 3, 3, 2], 9], ` failed`
`done`