C11112331312111112111133133313331333132322121111331312113313332233131   >>    C1111233131211111211113313331333133313232212111133131211331333223313   <<    C11112331312111112111133133313331333132322121111331312113313332233133   >>      C11112331312111112111133133313331333132322121111331312113313332233132   >>