C11112331312111112111133133313331333132212111133133313331333132233132233131121   >>    C1111233131211111211113313331333133313221211113313331333133313223313223313112   <<    C11112331312111112111133133313331333132212111133133313331333132233132233131123   >>      C11112331312111112111133133313331333132212111133133313331333132233132233131122   >>