C22121333132313311211113313331333132233131133133313331313113313112223312111   >>    C2212133313231331121111331333133313223313113313331333131311331311222331211   <<    C22121333132313311211113313331333132233131133133313331313113313112223312113   >>      C22121333132313311211113313331333132233131133133313331313113313112223312112   >>