C111112111133131121133133313331333133313331323133313331333133313231211111313321   >>    C11111211113313112113313331333133313331333132313331333133313331323121111131332   <<    C111112111133131121133133313331333133313331323133313331333133313231211111313323   >>      C111112111133131121133133313331333133313331323133313331333133313231211111313322   >>