C312322331333132212111133133313331333133312121111331121133133313232311232133121   >>    C31232233133313221211113313331333133313331212111133112113313331323231123213312   <<    C312322331333132212111133133313331333133312121111331121133133313232311232133123   >>      C312322331333132212111133133313331333133312121111331121133133313232311232133122   >>