C111123313331323113313331333133313331323133112322331323221323331   >>    C11112331333132311331333133313331333132313311232233132322132333   <<    C111123313331323113313331333133313331323133112322331323221323333   >>      C111123313331323113313331333133313331323133112322331323221323332   >>