C31232233133313221211113313331333133313331212111133121111132313231321   >>    C3123223313331322121111331333133313331333121211113312111113231323132   <<    C31232233133313221211113313331333133313331212111133121111132313231323   >>      C31232233133313221211113313331333133313331212111133121111132313231322   >>