C111123313121111121111331333133313331323132333131133133313331331121321   >>    C11112331312111112111133133313331333132313233313113313331333133112132   <<    C111123313121111121111331333133313331323132333131133133313331331121323   >>      C111123313121111121111331333133313331323132333131133133313331331121322   >>