C111113331333132322331333133313331311331323133112111111212323211   >>    C11111333133313232233133313331333131133132313311211111121232321   <<    C111113331333132322331333133313331311331323133112111111212323213   >>      C111113331333132322331333133313331311331323133112111111212323212   >>