C111113331333132322331333133313331333133313121111331333132313113313112113231   >>    C11111333133313232233133313331333133313331312111133133313231311331311211323   <<    C111113331333132322331333133313331333133313121111331333132313113313112113233   >>      C111113331333132322331333133313331333133313121111331333132313113313112113232   >>