C11111211113313112113313331333133313331122112312111133132322321331123231   >>    C1111121111331311211331333133313331333112211231211113313232232133112323   <<    C11111211113313112113313331333133313331122112312111133132322321331123233   >>      C11111211113313112113313331333133313331122112312111133132322321331123232   >>