C31232233133313221211113313331333132313331322121111331312113323311   >>    C3123223313331322121111331333133313231333132212111133131211332331   <<    C31232233133313221211113313331333132313331322121111331312113323313   >>      C31232233133313221211113313331333132313331322121111331312113323312   >>