C3123223313331322121111331333133313231333133313331333132313212321   >>    C312322331333132212111133133313331323133313331333133313231321232   <<    C3123223313331322121111331333133313231333133313331333132313212323   >>      C3123223313331322121111331333133313231333133313331333132313212322   >>