C31232233133313221211113313331333133313331212111133131133133323323133313122211   >>    C3123223313331322121111331333133313331333121211113313113313332332313331312221   <<    C31232233133313221211113313331333133313331212111133131133133323323133313122213   >>      C31232233133313221211113313331333133313331212111133131133133323323133313122212   >>