C2212133313231331121111331333133313331312111133133313331333131133132312231   >>    C221213331323133112111133133313331333131211113313331333133313113313231223   <<    C2212133313231331121111331333133313331312111133133313331333131133132312233   >>      C2212133313231331121111331333133313331312111133133313331333131133132312232   >>