C31232233133313221211113313331333132313331322121111121111111133133313121311   >>    C3123223313331322121111331333133313231333132212111112111111113313331312131   <<    C31232233133313221211113313331333132313331322121111121111111133133313121313   >>      C31232233133313221211113313331333132313331322121111121111111133133313121312   >>