C111113331333132322331333133313331311331323133313331312113313121121   >>    C11111333133313232233133313331333131133132313331333131211331312112   <<    C111113331333132322331333133313331311331323133313331312113313121123   >>      C111113331333132322331333133313331311331323133313331312113313121122   >>