C111123313331323113313331313331333132313331322121111331323322121   >>    C11112331333132311331333131333133313231333132212111133132332212   <<    C111123313331323113313331313331333132313331322121111331323322123   >>      C111123313331323113313331313331333132313331322121111331323322122   >>