C111123313121111121111331333132313331323133313331123313221323331312323221   >>    C11112331312111112111133133313231333132313331333112331322132333131232322   <<    C111123313121111121111331333132313331323133313331123313221323331312323223   >>      C111123313121111121111331333132313331323133313331123313221323331312323222   >>