C111112111133131121133133313331333133313121111331322133112323221   >>    C11111211113313112113313331333133313331312111133132213311232322   <<    C111112111133131121133133313331333133313121111331322133112323223   >>      C111112111133131121133133313331333133313121111331322133112323222   >>