C111112111133131121133133313331333133313331323133313331333133313221233132311321   >>    C11111211113313112113313331333133313331333132313331333133313331322123313231132   <<    C111112111133131121133133313331333133313331323133313331333133313221233132311323   >>      C111112111133131121133133313331333133313331323133313331333133313221233132311322   >>