C31232233133313221211113313331333132313331322121111331121133131133113121   >>    C3123223313331322121111331333133313231333132212111133112113313113311312   <<    C31232233133313221211113313331333132313331322121111331121133131133113123   >>      C31232233133313221211113313331333132313331322121111331121133131133113122   >>