C111123313121111121111331333133313331313331311331322132313232321   >>    C11112331312111112111133133313331333131333131133132213231323232   <<    C111123313121111121111331333133313331313331311331322132313232323   >>      C111123313121111121111331333133313331313331311331322132313232322   >>