C1111233131211111211113313331323133313231333133313223331211331333133323133311   >>    C111123313121111121111331333132313331323133313331322333121133133313332313331   <<    C1111233131211111211113313331323133313231333133313223331211331333133323133313   >>      C1111233131211111211113313331323133313231333133313223331211331333133323133312   >>