C111113331333132322331333133313331323132313231211113313113311331   >>    C11111333133313232233133313331333132313231323121111331311331133   <<    C111113331333132322331333133313331323132313231211113313113311333   >>      C111113331333132322331333133313331323132313231211113313113311332   >>