C22121333132313311211113313331333133313331123211113313232112323131   >>    C2212133313231331121111331333133313331333112321111331323211232313   <<    C22121333132313311211113313331333133313331123211113313232112323133   >>      C22121333132313311211113313331333133313331123211113313232112323132   >>