C1111233133313231133133313231333133313113313113313331333121133131321   >>    C111123313331323113313331323133313331311331311331333133312113313132   <<    C1111233133313231133133313231333133313113313113313331333121133131323   >>      C1111233133313231133133313231333133313113313113313331333121133131322   >>