C31232233133313221211113313331333132313331322121111121111131211232321   >>    C3123223313331322121111331333133313231333132212111112111113121123232   <<    C31232233133313221211113313331333132313331322121111121111131211232323   >>      C31232233133313221211113313331333132313331322121111121111131211232322   >>