C111123313331323113313331323133313331333132331211113313331332123122311   >>    C11112331333132311331333132313331333133313233121111331333133212312231   <<    C111123313331323113313331323133313331333132331211113313331332123122313   >>      C111123313331323113313331323133313331333132331211113313331332123122312   >>