C2212133313231331121111331333133313331323223331333131133132313231221   >>    C221213331323133112111133133313331333132322333133313113313231323122   <<    C2212133313231331121111331333133313331323223331333131133132313231223   >>      C2212133313231331121111331333133313331323223331333131133132313231222   >>