C31232233133313221211113313331333132313331322121111331123322131   >>    C3123223313331322121111331333133313231333132212111133112332213   <<    C31232233133313221211113313331333132313331322121111331123322133   >>      C31232233133313221211113313331333132313331322121111331123322132   >>