C3123223313331322121111331333133313231333132212111111222132313223331   >>    C312322331333132212111133133313331323133313221211111122213231322333   <<    C3123223313331322121111331333133313231333132212111111222132313223333   >>      C3123223313331322121111331333133313231333132212111111222132313223332   >>