C1111133313331323223313331333133313113313112113121111331313322311   >>    C111113331333132322331333133313331311331311211312111133131332231   <<    C1111133313331323223313331333133313113313112113121111331313322313   >>      C1111133313331323223313331333133313113313112113121111331313322312   >>