C31232233133313221211113313331333132313331322121111133313121111331333123131   >>    C3123223313331322121111331333133313231333132212111113331312111133133312313   <<    C31232233133313221211113313331333132313331322121111133313121111331333123133   >>      C31232233133313221211113313331333132313331322121111133313121111331333123132   >>