C31232233133313221211113313331333132313331322121111331333213111   >>    C3123223313331322121111331333133313231333132212111133133321311   <<    C31232233133313221211113313331333132313331322121111331333213113   >>      C31232233133313221211113313331333132313331322121111331333213112   >>