| G 1 | G 2 | G 3 | G 4 |
---|---|---|---|---|
X 1 | [s4, s5, s6, s7] | [s1, s2, s3, s4] | [s2, s3, s4, s5] | [s3, s4, s5, s7] |
X 2 | [s2, s3, s4, s5] | [s3, s4, s5, s7] | [s4, s6, s7, s8] | [s1, s3, s5, s6] |
X 3 | [s6, s7, s8, s9] | [s4, s5, s6, s7] | [s2, s3, s5, s6] | [s2, s3, s4, s5] |
X 4 | [s1, s3, s5, s6] | [s2, s3, s5, s6] | [s4, s5, s6, s7] | [s2, s3, s4, s5] |
X 5 | [s2, s4, s5, s6] | [s4, s6, s7, s8] | [s3, s4, s5, s6] | [s4, s5, s6, s7] |