C1111233133313231133133313331333131211111331121111331322331312231   >>    C111123313331323113313331333133313121111133112111133132233131223   <<    C1111233133313231133133313331333131211111331121111331322331312233   >>      C1111233133313231133133313331333131211111331121111331322331312232   >>