C11112331312111112111133133313331333131121131211111133133311213223313332231   >>    C1111233131211111211113313331333133313112113121111113313331121322331333223   <<    C11112331312111112111133133313331333131121131211111133133311213223313332233   >>      C11112331312111112111133133313331333131121131211111133133311213223313332232   >>