C111113331333132322331333133313331333133313113313331333133112111113231231   >>    C11111333133313232233133313331333133313331311331333133313311211111323123   <<    C111113331333132322331333133313331333133313113313331333133112111113231233   >>      C111113331333132322331333133313331333133313113313331333133112111113231232   >>