C11111211113313112113313331333133313231311331333132221233132331131   >>    C1111121111331311211331333133313331323131133133313222123313233113   <<    C11111211113313112113313331333133313231311331333132221233132331133   >>      C11111211113313112113313331333133313231311331333132221233132331132   >>