C31232233133313221211113313331333132313331322121111331123323331   >>    C3123223313331322121111331333133313231333132212111133112332333   <<    C31232233133313221211113313331333132313331322121111331123323333   >>      C31232233133313221211113313331333132313331322121111331123323332   >>