C111123313121111121111331333133313331323132333132313233313231333123313331321   >>    C11112331312111112111133133313331333132313233313231323331323133312331333132   <<    C111123313121111121111331333133313331323132333132313233313231333123313331323   >>      C111123313121111121111331333133313331323132333132313233313231333123313331322   >>