C31232233133313221211113313331333133313331121133131111112113121   >>    C3123223313331322121111331333133313331333112113313111111211312   <<    C31232233133313221211113313331333133313331121133131111112113123   >>      C31232233133313221211113313331333133313331121133131111112113122   >>