C133323133112111133133313331333131333133313231211113313223312121   >>    C13332313311211113313331333133313133313331323121111331322331212   <<    C133323133112111133133313331333131333133313231211113313223312123   >>      C133323133112111133133313331333131333133313231211113313223312122   >>