C11112331333132311331333133313231333133313331322331333132313111221   >>    C1111233133313231133133313331323133313331333132233133313231311122   <<    C11112331333132311331333133313231333133313331322331333132313111223   >>      C11112331333132311331333133313231333133313331322331333132313111222   >>