C3123223313331322121111331311331333133313331311331333132233112321   >>    C312322331333132212111133131133133313331333131133133313223311232   <<    C3123223313331322121111331311331333133313331311331333132233112323   >>      C3123223313331322121111331311331333133313331311331333132233112322   >>