C133323133112111133133313331333133112113313331323223313231321221   >>    C13332313311211113313331333133313311211331333132322331323132122   <<    C133323133112111133133313331333133112113313331323223313231321223   >>      C133323133112111133133313331333133112113313331323223313231321222   >>