C312322331333132212111133133313331323133313331333133313331333133313223113313121   >>    C31232233133313221211113313331333132313331333133313331333133313331322311331312   <<    C312322331333132212111133133313331323133313331333133313331333133313223113313123   >>      C312322331333132212111133133313331323133313331333133313331333133313223113313122   >>