C2212133313231331121111331333133313223313113313331323221323131221   >>    C221213331323133112111133133313331322331311331333132322132313122   <<    C2212133313231331121111331333133313223313113313331323221323131223   >>      C2212133313231331121111331333133313223313113313331323221323131222   >>