C1111233131211111211113313331333133313331322322331312111113322311   >>    C111123313121111121111331333133313331333132232233131211111332231   <<    C1111233131211111211113313331333133313331322322331312111113322313   >>      C1111233131211111211113313331333133313331322322331312111113322312   >>