C111123313121111121111331333133313331333131233133313331313112122321   >>    C11112331312111112111133133313331333133313123313331333131311212232   <<    C111123313121111121111331333133313331333131233133313331313112122323   >>      C111123313121111121111331333133313331333131233133313331313112122322   >>