C111123313121111121111331333133313331333131221111331333131133133313331333222331   >>    C11112331312111112111133133313331333133313122111133133313113313331333133322233   <<    C111123313121111121111331333133313331333131221111331333131133133313331333222333   >>      C111123313121111121111331333133313331333131221111331333131133133313331333222332   >>