C11112331333132311331333133313331333132313231133132322331322113221   >>    C1111233133313231133133313331333133313231323113313232233132211322   <<    C11112331333132311331333133313331333132313231133132322331322113223   >>      C11112331333132311331333133313331333132313231133132322331322113222   >>