C11111211113313112113313331333133313331333132212111133133313331311331323312231   >>    C1111121111331311211331333133313331333133313221211113313331333131133132331223   <<    C11111211113313112113313331333133313331333132212111133133313331311331323312233   >>      C11111211113313112113313331333133313331333132212111133133313331311331323312232   >>