C22121333132313311211113313331333132233131133133313331311331333133322123131   >>    C2212133313231331121111331333133313223313113313331333131133133313332212313   <<    C22121333132313311211113313331333132233131133133313331311331333133322123133   >>      C22121333132313311211113313331333132233131133133313331311331333133322123132   >>