C1111233131211111211113313331333133313331333133313331333133313232131121131   >>    C111123313121111121111331333133313331333133313331333133313331323213112113   <<    C1111233131211111211113313331333133313331333133313331333133313232131121133   >>      C1111233131211111211113313331333133313331333133313331333133313232131121132   >>