C111123313121111121111331313331333132313331323132322331323311221   >>    C11112331312111112111133131333133313231333132313232233132331122   <<    C111123313121111121111331313331333132313331323132322331323311223   >>      C111123313121111121111331313331333132313331323132322331323311222   >>