C111123313331323113313331313331333132313331322121111331323133313131   >>    C11112331333132311331333131333133313231333132212111133132313331313   <<    C111123313331323113313331313331333132313331322121111331323133313133   >>      C111123313331323113313331313331333132313331322121111331323133313132   >>