C111113331333132322331333133313331311331322331333131133132313223123212321   >>    C11111333133313232233133313331333131133132233133313113313231322312321232   <<    C111113331333132322331333133313331311331322331333131133132313223123212323   >>      C111113331333132322331333133313331311331322331333131133132313223123212322   >>