C111123313331323113313331313331333132313331322121111331323132211   >>    C11112331333132311331333131333133313231333132212111133132313221   <<    C111123313331323113313331313331333132313331322121111331323132213   >>      C111123313331323113313331313331333132313331322121111331323132212   >>