C3123223313331322121111331333133313121111331323133313221313223331   >>    C312322331333132212111133133313331312111133132313331322131322333   <<    C3123223313331322121111331333133313121111331323133313221313223333   >>      C3123223313331322121111331333133313121111331323133313221313223332   >>