BBB = 3
AB = 6
AAA = 4
AB = 6
BBB = 3
AAA = 4
AB = 6
AA = 5
B = 7
BBB = 3
AAA = 4
AA = 5
AB = 6
B = 7
BBB = 3
AAA = 4
AA = 5
AB = 6
B = 7
AAA = 4
B = 7
CB = 8
AC = 9
CB = 8
AC = 9
BBB = 3
AAA = 4
AA = 5
missing data
AAA = 4
B = 7
CB = 8
AC = 9
CB = 8
AC = 9
BBB = 3
AAA = 4
AA = 5
missing data