C3132121111331312113313331333133313331333133313331333133313331322233112121   >>    C313212111133131211331333133313331333133313331333133313331333132223311212   <<    C3132121111331312113313331333133313331333133313331333133313331322233112123   >>      C3132121111331312113313331333133313331333133313331333133313331322233112122   >>