C31232233133313221211113313331333131211113313231333133323213123121   >>    C3123223313331322121111331333133313121111331323133313332321312312   <<    C31232233133313221211113313331333131211113313231333133323213123123   >>      C31232233133313221211113313331333131211113313231333133323213123122   >>