C11111211113313112113313331333133313331333132212111133133313331311331322331331   >>    C1111121111331311211331333133313331333133313221211113313331333131133132233133   <<    C11111211113313112113313331333133313331333132212111133133313331311331322331333   >>      C11111211113313112113313331333133313331333132212111133133313331311331322331332   >>