C11111211113313112113313331333133313221333133313113313331323223321131   >>    C1111121111331311211331333133313331322133313331311331333132322332113   <<    C11111211113313112113313331333133313221333133313113313331323223321133   >>      C11111211113313112113313331333133313221333133313113313331323223321132   >>