C11111211113313112113313331333133313331333132313331333133313331313331323222131   >>    C1111121111331311211331333133313331333133313231333133313331333131333132322213   <<    C11111211113313112113313331333133313331333132313331333133313331313331323222133   >>      C11111211113313112113313331333133313331333132313331333133313331313331323222132   >>