C22121333132313311211113313331333131133132311212111133132233313111   >>    C2212133313231331121111331333133313113313231121211113313223331311   <<    C22121333132313311211113313331333131133132311212111133132233313113   >>      C22121333132313311211113313331333131133132311212111133132233313112   >>