C111123313121111121111331333133313331333131113211331323133313221132311   >>    C11112331312111112111133133313331333133313111321133132313331322113231   <<    C111123313121111121111331333133313331333131113211331323133313221132313   >>      C111123313121111121111331333133313331333131113211331323133313221132312   >>