C31232233133313221211113313331333132313331322121111133313231322131211   >>    C3123223313331322121111331333133313231333132212111113331323132213121   <<    C31232233133313221211113313331333132313331322121111133313231322131213   >>      C31232233133313221211113313331333132313331322121111133313231322131212   >>