C31232233133313221211113313331333132313331322121111123121111113323331   >>    C3123223313331322121111331333133313231333132212111112312111111332333   <<    C31232233133313221211113313331333132313331322121111123121111113323333   >>      C31232233133313221211113313331333132313331322121111123121111113323332   >>