C3132121111133313233121111331333133313331333133313331333133313232321131131   >>    C313212111113331323312111133133313331333133313331333133313331323232113113   <<    C3132121111133313233121111331333133313331333133313331333133313232321131133   >>      C3132121111133313233121111331333133313331333133313331333133313232321131132   >>