C11323331322331311211331313311211113313113311221123232112323231   >>    C1132333132233131121133131331121111331311331122112323211232323   <<    C11323331322331311211331313311211113313113311221123232112323233   >>      C11323331322331311211331313311211113313113311221123232112323232   >>