C11111211113313112113313331333133313331333132313331333133112331322321   >>    C1111121111331311211331333133313331333133313231333133313311233132232   <<    C11111211113313112113313331333133313331333132313331333133112331322323   >>      C11111211113313112113313331333133313331333132313331333133112331322322   >>