C111112111133131121133133313331333131333132322331333131113123233231   >>    C11111211113313112113313331333133313133313232233133313111312323323   <<    C111112111133131121133133313331333131333132322331333131113123233233   >>      C111112111133131121133133313331333131333132322331333131113123233232   >>