C22121333132313311211113313331333133313331123211113313231322331   >>    C2212133313231331121111331333133313331333112321111331323132233   <<    C22121333132313311211113313331333133313331123211113313231322333   >>      C22121333132313311211113313331333133313331123211113313231322332   >>