From: Fast half-sibling population reconstruction: theory and algorithms
M 0
M 1
M 2
(1,2)0
(1,4)0
(s0,1)0
(1,2)1
(1,4)1
(s0,1)1
(1,3)0
(1,5)0
(1,3)1
(1,5)1
(s1,1)1
(2,3)0
(4,5)0
(s0,z)6
(2,3)1
(4,5)1
(s1,z)6