C1111233133313231133133313231333133313113313113313231333223313223331   >>    C111123313331323113313331323133313331311331311331323133322331322333   <<    C1111233133313231133133313231333133313113313113313231333223313223333   >>      C1111233133313231133133313231333133313113313113313231333223313223332   >>