C312322331333132212111133133313331333133312121111331311331311112321   >>    C31232233133313221211113313331333133313331212111133131133131111232   <<    C312322331333132212111133133313331333133312121111331311331311112323   >>      C312322331333132212111133133313331333133312121111331311331311112322   >>