C111123313121111121111331333133313331333133313331333133313331333223313111321   >>    C11112331312111112111133133313331333133313331333133313331333133322331311132   <<    C111123313121111121111331333133313331333133313331333133313331333223313111323   >>      C111123313121111121111331333133313331333133313331333133313331333223313111322   >>