C111123313121111121111331333133313331322121111331333133313331323221323232221   >>    C11112331312111112111133133313331333132212111133133313331333132322132323222   <<    C111123313121111121111331333133313331322121111331333133313331323221323232223   >>      C111123313121111121111331333133313331322121111331333133313331323221323232222   >>