C111112111133131121133133313331333131131211113313331322331313321   >>    C11111211113313112113313331333133313113121111331333132233131332   <<    C111112111133131121133133313331333131131211113313331322331313323   >>      C111112111133131121133133313331333131131211113313331322331313322   >>