C111123313121111121111331333133313331313331323132213331322112121   >>    C11112331312111112111133133313331333131333132313221333132211212   <<    C111123313121111121111331333133313331313331323132213331322112123   >>      C111123313121111121111331333133313331313331323132213331322112122   >>