C23221211113313331233133313331312111133133313331211113313331333133313233213311   >>    C2322121111331333123313331333131211113313331333121111331333133313331323321331   <<    C23221211113313331233133313331312111133133313331211113313331333133313233213313   >>      C23221211113313331233133313331312111133133313331211113313331333133313233213312   >>