C111123313121111121111331333133313331333133313331333133313331323312332321   >>    C11112331312111112111133133313331333133313331333133313331333132331233232   <<    C111123313121111121111331333133313331333133313331333133313331323312332323   >>      C111123313121111121111331333133313331333133313331333133313331323312332322   >>