C312322331333132212111133133313331333133312121111113313113313233233313332211   >>    C31232233133313221211113313331333133313331212111111331311331323323331333221   <<    C312322331333132212111133133313331333133312121111113313113313233233313332213   >>      C312322331333132212111133133313331333133312121111113313113313233233313332212   >>