C111123313331323113313331331121111331323132322331333132322332311   >>    C11112331333132311331333133112111133132313232233133313232233231   <<    C111123313331323113313331331121111331323132322331333132322332313   >>      C111123313331323113313331331121111331323132322331333132322332312   >>