C1111233133313231133133313331333133313231232313331323133313223313223331   >>    C111123313331323113313331333133313331323123231333132313331322331322333   <<    C1111233133313231133133313331333133313231232313331323133313223313223333   >>      C1111233133313231133133313331333133313231232313331323133313223313223332   >>