C312322331333132212111133133313331333133312121111113313113313331323231333131211   >>    C31232233133313221211113313331333133313331212111111331311331333132323133313121   <<    C312322331333132212111133133313331333133312121111113313113313331323231333131213   >>      C312322331333132212111133133313331333133312121111113313113313331323231333131212   >>