C111123313121111121111331333132313331323133313331322133313132211   >>    C11112331312111112111133133313231333132313331333132213331313221   <<    C111123313121111121111331333132313331323133313331322133313132213   >>      C111123313121111121111331333132313331323133313331322133313132212   >>