C111113331333132322331333133313331311331323133112111111111121131211   >>    C11111333133313232233133313331333131133132313311211111111112113121   <<    C111113331333132322331333133313331311331323133112111111111121131213   >>      C111113331333132322331333133313331311331323133112111111111121131212   >>