C312312111111331312111133133313331322331333133313331322331323133313331311211121   >>    C31231211111133131211113313331333132233133313331333132233132313331333131121112   <<    C312312111111331312111133133313331322331333133313331322331323133313331311211123   >>      C312312111111331312111133133313331322331333133313331322331323133313331311211122   >>