C11112331333132311331333133313331333132332311331323132313111221   >>    C1111233133313231133133313331333133313233231133132313231311122   <<    C11112331333132311331333133313331333132332311331323132313111223   >>      C11112331333132311331333133313331333132332311331323132313111222   >>