C31232233133313221211113313331333132313331323331313331311331323112121   >>    C3123223313331322121111331333133313231333132333131333131133132311212   <<    C31232233133313221211113313331333132313331323331313331311331323112123   >>      C31232233133313221211113313331333132313331323331313331311331323112122   >>