C111123313121111121111331333132313331323133313331313133313221121   >>    C11112331312111112111133133313231333132313331333131313331322112   <<    C111123313121111121111331333132313331323133313331313133313221123   >>      C111123313121111121111331333132313331323133313331313133313221122   >>