C111113331333132322331333133313331333133313121111331331121111121111112113121131   >>    C11111333133313232233133313331333133313331312111133133112111112111111211312113   <<    C111113331333132322331333133313331333133313121111331331121111121111112113121133   >>      C111113331333132322331333133313331333133313121111331331121111121111112113121132   >>