C3123223313331322121111331333133313231333132212111133133331213321   >>    C312322331333132212111133133313331323133313221211113313333121332   <<    C3123223313331322121111331333133313231333132212111133133331213323   >>      C3123223313331322121111331333133313231333132212111133133331213322   >>