C23221211113313331233133313331312111133133313331323133313331333133313123231111   >>    C2322121111331333123313331333131211113313331333132313331333133313331312323111   <<    C23221211113313331233133313331312111133133313331323133313331333133313123231113   >>      C23221211113313331233133313331312111133133313331323133313331333133313123231112   >>