C3123223313331322121111331333133313231333132212111133131132233111   >>    C312322331333132212111133133313331323133313221211113313113223311   <<    C3123223313331322121111331333133313231333132212111133131132233113   >>      C3123223313331322121111331333133313231333132212111133131132233112   >>