C31232233133313221211113313331333132313331322121111123313113313221311321   >>    C3123223313331322121111331333133313231333132212111112331311331322131132   <<    C31232233133313221211113313331333132313331322121111123313113313221311323   >>      C31232233133313221211113313331333132313331322121111123313113313221311322   >>