C31232233133313221211113313331333132313331322121111331312113311231   >>    C3123223313331322121111331333133313231333132212111133131211331123   <<    C31232233133313221211113313331333132313331322121111331312113311233   >>      C31232233133313221211113313331333132313331322121111331312113311232   >>