C22121333132313311211113313331333133313331333132313231323211311   >>    C2212133313231331121111331333133313331333133313231323132321131   <<    C22121333132313311211113313331333133313331333132313231323211313   >>      C22121333132313311211113313331333133313331333132313231323211312   >>