C1111233133313231133133313331323133313113313121111331333211232321   >>    C111123313331323113313331333132313331311331312111133133321123232   <<    C1111233133313231133133313331323133313113313121111331333211232323   >>      C1111233133313231133133313331323133313113313121111331333211232322   >>