C3123223313331322121111331333133313331311222331323133313231322233321   >>    C312322331333132212111133133313331333131122233132313331323132223332   <<    C3123223313331322121111331333133313331311222331323133313231322233323   >>      C3123223313331322121111331333133313331311222331323133313231322233322   >>