C1111233131211111211113313231333133313331323331311331333131323331321   >>    C111123313121111121111331323133313331333132333131133133313132333132   <<    C1111233131211111211113313231333133313331323331311331333131323331323   >>      C1111233131211111211113313231333133313331323331311331333131323331322   >>