C11111211113313112113313331333133313331312111113331322331322321   >>    C1111121111331311211331333133313331333131211111333132233132232   <<    C11111211113313112113313331333133313331312111113331322331322323   >>      C11111211113313112113313331333133313331312111113331322331322322   >>