C11111211113313112113313331333133313231311331333132221233132313331333132323131   >>    C1111121111331311211331333133313331323131133133313222123313231333133313232313   <<    C11111211113313112113313331333133313231311331333132221233132313331333132323133   >>      C11111211113313112113313331333133313231311331333132221233132313331333132323132   >>