C111123313121111121111331333133313331323232133313331323223313231221323223311   >>    C11112331312111112111133133313331333132323213331333132322331323122132322331   <<    C111123313121111121111331333133313331323232133313331323223313231221323223313   >>      C111123313121111121111331333133313331323232133313331323223313231221323223312   >>