C1111233133313231133133313331323133313113313121111331311322323321   >>    C111123313331323113313331333132313331311331312111133131132232332   <<    C1111233133313231133133313331323133313113313121111331311322323323   >>      C1111233133313231133133313331323133313113313121111331311322323322   >>