C23221211113313331233133313331312111133133313331333133112211231   >>    C2322121111331333123313331333131211113313331333133313311221123   <<    C23221211113313331233133313331312111133133313331333133112211233   >>      C23221211113313331233133313331312111133133313331333133112211232   >>