C312322331333132212111133133313331323133313331333133313331333133313123232233121   >>    C31232233133313221211113313331333132313331333133313331333133313331312323223312   <<    C312322331333132212111133133313331323133313331333133313331333133313123232233123   >>      C312322331333132212111133133313331323133313331333133313331333133313123232233122   >>