C111123313121111121111331333133313331323232133313331333131221211111121323231   >>    C11112331312111112111133133313331333132323213331333133313122121111112132323   <<    C111123313121111121111331333133313331323232133313331333131221211111121323233   >>      C111123313121111121111331333133313331323232133313331333131221211111121323232   >>