C22121333132313311211113313331333133313232233313331311331311213121   >>    C2212133313231331121111331333133313331323223331333131133131121312   <<    C22121333132313311211113313331333133313232233313331311331311213123   >>      C22121333132313311211113313331333133313232233313331311331311213122   >>