C11111211113313112113313331333133313133313233112111113331322332311   >>    C1111121111331311211331333133313331313331323311211111333132233231   <<    C11111211113313112113313331333133313133313233112111113331322332313   >>      C11111211113313112113313331333133313133313233112111113331322332312   >>