C111113331333132322331333133313331311331323133112111112111113331313112222131   >>    C11111333133313232233133313331333131133132313311211111211111333131311222213   <<    C111113331333132322331333133313331311331323133112111112111113331313112222133   >>      C111113331333132322331333133313331311331323133112111112111113331313112222132   >>