C31232233133313221211113313331333133313332321333131133132313232213113121   >>    C3123223313331322121111331333133313331333232133313113313231323221311312   <<    C31232233133313221211113313331333133313332321333131133132313232213113123   >>      C31232233133313221211113313331333133313332321333131133132313232213113122   >>