C23221211113313331233133313331312111112111133313331333112211232212131   >>    C2322121111331333123313331333131211111211113331333133311221123221213   <<    C23221211113313331233133313331312111112111133313331333112211232212133   >>      C23221211113313331233133313331312111112111133313331333112211232212132   >>