C111123313331323113313331331121111331323132322331333132213231311211   >>    C11112331333132311331333133112111133132313232233133313221323131121   <<    C111123313331323113313331331121111331323132322331333132213231311213   >>      C111123313331323113313331331121111331323132322331333132213231311212   >>