C31232233133313221211113313331333132313331322121111132313231211   >>    C3123223313331322121111331333133313231333132212111113231323121   <<    C31232233133313221211113313331333132313331322121111132313231213   >>      C31232233133313221211113313331333132313331322121111132313231212   >>