C111123313331323113313331313331333132313331322121111331323112331   >>    C11112331333132311331333131333133313231333132212111133132311233   <<    C111123313331323113313331313331333132313331322121111331323112333   >>      C111123313331323113313331313331333132313331322121111331323112332   >>