C11111211113313112113313331333133313331312322121111331323221333131221   >>    C1111121111331311211331333133313331333131232212111133132322133313122   <<    C11111211113313112113313331333133313331312322121111331323221333131223   >>      C11111211113313112113313331333133313331312322121111331323221333131222   >>