C11111211113313112113313331333133313331333131211113313331322321333131   >>    C1111121111331311211331333133313331333133313121111331333132232133313   <<    C11111211113313112113313331333133313331333131211113313331322321333133   >>      C11111211113313112113313331333133313331333131211113313331322321333132   >>