C111113331333132322331333133313331333133313113313331333131211111121211   >>    C11111333133313232233133313331333133313331311331333133313121111112121   <<    C111113331333132322331333133313331333133313113313331333131211111121213   >>      C111113331333132322331333133313331333133313113313331333131211111121212   >>